docs(website): updated Serenity BDD installation instructions serenity-js/serenity-js#2560

Author: jan-molak

src/docs/handbook/getting-started/serenity-js-with-playwright-test.mdx

@@ -168,7 +168,7 @@ To learn more about the Playwright Test Trace Viewer, check out:
 They aim not only to **report test results**, but also to document **how features are tested**, and **what your application does**.
 
 Serenity BDD reports are generated by [Serenity BDD CLI](https://github.com/serenity-bdd/serenity-core/tree/main/serenity-cli),
-a Java program downloaded and managed by the [`@serenity-js/serenity-bdd`](/api/serenity-bdd/) module.
+a Java program provided by the [`@serenity-js/serenity-bdd`](/api/serenity-bdd/) module.
 
 View [live Serenity BDD report on GitHub](https://serenity-js.github.io/serenity-js-playwright-test-template/serenity/) 👀
 
@@ -179,20 +179,17 @@ View [live Serenity BDD report on GitHub](https://serenity-js.github.io/serenity
 />
 
 To produce Serenity BDD reports, your test suite must:
-- download the Serenity BDD CLI, by calling `serenity-bdd update` (which caches the CLI `jar` locally)
 - produce intermediate Serenity BDD `.json` reports, by registering [`SerenityBDDReporter`](/api/serenity-bdd/class/SerenityBDDReporter/) as per the [configuration instructions](#configuring-serenityjs)
 - invoke the Serenity BDD CLI when you want to produce the report, by calling `serenity-bdd run`
 
 The pattern used by all the [Serenity/JS Project Templates](/handbook/getting-started/project-templates/) relies
-on using:
-- a [`postinstall`](https://docs.npmjs.com/cli/v9/using-npm/scripts#life-cycle-operation-order) NPM script to download the Serenity BDD CLI
+on using the following Node modules:
 - [`npm-failsafe`](https://www.npmjs.com/package/npm-failsafe) to run the reporting process even if the test suite itself has failed (which is precisely when you need test reports the most...).
 - [`rimraf`](https://www.npmjs.com/package/rimraf) as a convenience method to remove any test reports left over from the previous run
 
 ```json title="package.json"
 {
   "scripts": {
-    "postinstall": "serenity-bdd update",
     "clean": "rimraf target",
     "test": "failsafe clean test:execute test:report",
     "test:execute": "playwright test",

src/docs/handbook/getting-started/serenity-js-with-protractor.mdx

@@ -224,26 +224,23 @@ and complete [`protractor.conf.js`](https://github.com/serenity-js/serenity-js-m
 ## Producing Serenity BDD reports and living documentation
 
 [Serenity BDD reports and living documentation](https://serenity-bdd.github.io/docs/reporting/the_serenity_reports) are generated by [Serenity BDD CLI](https://github.com/serenity-bdd/serenity-core/tree/main/serenity-cli),
-a Java program downloaded and managed by the [`@serenity-js/serenity-bdd`](/api/serenity-bdd/) module.
+a Java program provided by the [`@serenity-js/serenity-bdd`](/api/serenity-bdd/) module.
 
 To produce Serenity BDD reports, your test suite must:
-- download the Serenity BDD CLI, by calling `serenity-bdd update` which caches the CLI `jar` locally
-- produce intermediate Serenity BDD `.json` reports, by registering [`SerenityBDDReporter`](/api/serenity-bdd/class/SerenityBDDReporter/) as per the [configuration instructions](#configuring-serenityjs-and-protractor)
+- produce intermediate Serenity BDD `.json` reports, by registering [`SerenityBDDReporter`](/api/serenity-bdd/class/SerenityBDDReporter/) as per the [configuration instructions](#configuring-serenityjs-and-webdriverio)
 - invoke the Serenity BDD CLI when you want to produce the report, by calling `serenity-bdd run`
 
 The pattern used by all the [Serenity/JS Project Templates](/handbook/getting-started/project-templates/) relies
-on using:
-- a [`postinstall`](https://docs.npmjs.com/cli/v9/using-npm/scripts#life-cycle-operation-order) NPM script to download the Serenity BDD CLI
+on using the following Node modules:
 - [`npm-failsafe`](https://www.npmjs.com/package/npm-failsafe) to run the reporting process even if the test suite itself has failed (which is precisely when you need test reports the most...).
 - [`rimraf`](https://www.npmjs.com/package/rimraf) as a convenience method to remove any test reports left over from the previous run
 
 ```json title="package.json"
 {
   "scripts": {
-    "postinstall": "serenity-bdd update",
     "clean": "rimraf target",
     "test": "failsafe clean test:execute test:report",
-    "test:execute": "protractor ./protractor.conf.js",
+    "test:execute": "wdio wdio.conf.ts",
     "test:report": "serenity-bdd run"
   }
 }
@@ -582,7 +579,6 @@ Update the `script` section in your `package.json` to use `wdio` instead of `pro
 ```diff title="package.json"
 {
   "scripts": {
-    "postinstall": "serenity-bdd update",
     "clean": "rimraf target",
     "test": "failsafe clean test:execute test:report",
 -   "test:execute": "protractor ./protractor.conf.js",

src/docs/handbook/getting-started/serenity-js-with-webdriverio.mdx

@@ -172,23 +172,20 @@ Learn more about:
 ## Producing Serenity BDD reports and living documentation
 
 [Serenity BDD reports and living documentation](https://serenity-bdd.github.io/docs/reporting/the_serenity_reports) are generated by [Serenity BDD CLI](https://github.com/serenity-bdd/serenity-core/tree/main/serenity-cli),
-a Java program downloaded and managed by the [`@serenity-js/serenity-bdd`](/api/serenity-bdd/) module.
+a Java program provided by the [`@serenity-js/serenity-bdd`](/api/serenity-bdd/) module.
 
 To produce Serenity BDD reports, your test suite must:
-- download the Serenity BDD CLI, by calling `serenity-bdd update` which caches the CLI `jar` locally
 - produce intermediate Serenity BDD `.json` reports, by registering [`SerenityBDDReporter`](/api/serenity-bdd/class/SerenityBDDReporter/) as per the [configuration instructions](#configuring-serenityjs-and-webdriverio)
 - invoke the Serenity BDD CLI when you want to produce the report, by calling `serenity-bdd run`
 
 The pattern used by all the [Serenity/JS Project Templates](/handbook/getting-started/project-templates/) relies
-on using:
-- a [`postinstall`](https://docs.npmjs.com/cli/v9/using-npm/scripts#life-cycle-operation-order) NPM script to download the Serenity BDD CLI
+on using the following Node modules:
 - [`npm-failsafe`](https://www.npmjs.com/package/npm-failsafe) to run the reporting process even if the test suite itself has failed (which is precisely when you need test reports the most...).
 - [`rimraf`](https://www.npmjs.com/package/rimraf) as a convenience method to remove any test reports left over from the previous run
 
 ```json title="package.json"
 {
   "scripts": {
-    "postinstall": "serenity-bdd update",
     "clean": "rimraf target",
     "test": "failsafe clean test:execute test:report",
     "test:execute": "wdio wdio.conf.ts",