Bump nyc from 17.1.0 to 18.0.0

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: ['14', 'lts/*', 'latest'] # 14 is the oldest supported Node.js version
+        node-version: ['20', 'lts/*', 'latest']
 
     steps:
       - uses: actions/checkout@v6

README.md

@@ -39,7 +39,7 @@ For validation of documents in Couchbase Sync Gateway, see the [synctos](https:/
 
 # Installation
 
-Couchster is distributed as an [npm](https://www.npmjs.com/) package, and the minimum version of [Node.js](https://nodejs.org/) that it officially supports is v8.11.0. Both of these required components can be acquired at once by [installing](https://nodejs.org/en/download/package-manager/) Node.js.
+Couchster is distributed as an [npm](https://www.npmjs.com/) package, and the minimum version of [Node.js](https://nodejs.org/) that it officially supports is v20. Both of these required components can be acquired at once by [installing](https://nodejs.org/en/download/package-manager/) Node.js.
 
 If your project does not already have an npm `package.json` file, run `npm init` to create one. Don't worry too much about the answers to the questions it asks right now; the file it produces can be updated as needed later.