build: Quick fixes to release workflow (#35)

Fix pnpm action by adding version, and swap to using changeset pre-release utility

Author: nsdeschenes

.changeset/pre.json

@@ -0,0 +1,11 @@
+{
+  "mode": "pre",
+  "tag": "alpha",
+  "initialVersions": {
+    "@codecov/bundler-plugin-core": "0.0.1",
+    "@codecov/rollup-plugin": "0.0.1",
+    "@codecov/vite-plugin": "0.0.1",
+    "@codecov/webpack-plugin": "0.0.1"
+  },
+  "changesets": []
+}

.changeset/sweet-lemons-add.md

@@ -21,6 +21,7 @@ jobs:
       - name: Setup pnpm & install dependencies
         uses: pnpm/action-setup@v2
         with:
+          version: 8
           run_install: true
 
       - name: Create Release Pull Request

.github/workflows/prepare-publish.yml

@@ -30,6 +30,7 @@ jobs:
       - name: Setup pnpm & install dependencies
         uses: pnpm/action-setup@v2
         with:
+          version: 8
           run_install: true
 
       - name: Publish to NPM

.github/workflows/publish.yml

@@ -1,6 +1,6 @@
 {
   "name": "@codecov/bundler-plugin-core",
-  "version": "0.0.1-alpha",
+  "version": "0.0.1",
   "description": "Official Codecov Bundler Plugin Core",
   "author": "Codecov",
   "license": "MIT",

packages/bundler-plugin-core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@codecov/rollup-plugin",
-  "version": "0.0.1-alpha",
+  "version": "0.0.1",
   "description": "Official Codecov Rollup plugin",
   "author": "Codecov",
   "license": "MIT",

packages/rollup-plugin/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@codecov/vite-plugin",
-  "version": "0.0.1-alpha",
+  "version": "0.0.1",
   "description": "Official Codecov Vite plugin",
   "author": "Codecov",
   "license": "MIT",

packages/vite-plugin/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@codecov/webpack-plugin",
-  "version": "0.0.1-alpha",
+  "version": "0.0.1",
   "description": "Official Codecov Webpack plugin",
   "author": "Codecov",
   "license": "MIT",