build: Update the release workflow to use OIDC. (#575)

Also make other smaller updates to modernize the release file.

.github/workflows/release.yml

@@ -4,6 +4,11 @@ on:
     branches:
     - master
     - alpha
+
+permissions:
+  id-token: write  # Required for OIDC
+  contents: write  # For Semantic Release tagging
+
 jobs:
   release:
     name: Release
@@ -13,12 +18,10 @@ jobs:
       uses: actions/checkout@v4
       with:
         fetch-depth: 0
-    - name: Setup Nodejs Env
-      run: echo "NODE_VER=`cat .nvmrc`" >> $GITHUB_ENV
     - name: Setup Node.js
       uses: actions/setup-node@v4
       with:
-        node-version: ${{ env.NODE_VER }}
+        node-version-file: '.nvmrc'
     - name: Install dependencies
       run: npm ci
     - name: Validate package-lock.json changes
@@ -37,7 +40,6 @@ jobs:
     - name: Build
       run: npm run build
     - name: Release
+      run: npx semantic-release@25
       env:
-        GITHUB_TOKEN: ${{ secrets.SEMANTIC_RELEASE_GITHUB_TOKEN }}
+        GITHUB_TOKEN: ${{ secrets.OPENEDX_SEMANTIC_RELEASE_GITHUB_TOKEN }}
-        NPM_TOKEN: ${{ secrets.SEMANTIC_RELEASE_NPM_TOKEN }}
-      run: npx semantic-release