Update GitHub action for publishing to npmjs

Author: samuelbradshaw

.github/workflows/publish.yml

@@ -1,5 +1,3 @@
-# From https://docs.github.com/en/actions/tutorials/publish-packages/publish-nodejs-packages#publishing-packages-to-the-npm-registry
-
 name: Publish Package to npmjs
 on:
   release:
@@ -8,15 +6,29 @@ jobs:
   build:
     runs-on: ubuntu-latest
     permissions:
-      contents: read
+      contents: write
       id-token: write
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - name: Checkout code
+        uses: actions/checkout@v5
+      - name: Get release version
+        id: get_version
+        run: echo "RELEASE_VERSION=${{ github.event.release.tag_name }}" >> $GITHUB_OUTPUT
+      - name: Update package.json
+        run: npm version "${{ steps.get_version.outputs.RELEASE_VERSION }}" --no-git-tag-version
+      - name: Commit package.json changes
+        uses: stefanzweifel/git-auto-commit-action@v6
+          with:
+            commit_message: "Update package.json version to ${{ steps.get_version.outputs.RELEASE_VERSION }}"
+            branch: main
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
         with:
           node-version: '20.x'
           registry-url: 'https://registry.npmjs.org'
-      - run: npm ci
-      - run: npm publish --provenance --access public
+      - name: Install dependencies
+        run: npm ci
+      - name: Push to npmjs
+        run: npm publish --provenance --access public
         env:
-          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}