Add action to update web-features tags

.github/workflows/update-web-features.yml

@@ -0,0 +1,70 @@
+name: Update web-features tags
+
+on:
+  workflow_dispatch:
+
+  schedule:
+    - cron: "30 4 * * 1-5"
+
+jobs:
+  update-web-features:
+    if: github.repository == 'mdn/browser-compat-data'
+    name: Update web-features-tags
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+          token: ${{ secrets.GH_TOKEN }}
+
+      - name: Checkout web-features
+        uses: actions/checkout@v4
+        with:
+          repository: web-platform-dx/web-features
+          path: web-features
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: ".nvmrc"
+          cache: npm
+
+      - name: "Setup git"
+        run: |
+          git config user.email [email protected]
+          git config user.name mdn-bot
+
+      - name: Install
+        run: npm ci
+
+      - name: Install in web-features
+        working-directory: ./web-features
+        run: NODE_ENV=development npm ci
+
+      - name: Update tags
+        working-directory: ./web-features
+        run: |
+          echo "RESULT<<EOF" >> $GITHUB_ENV
+          npm run migrate-to-bcd .. >> $GITHUB_ENV
+          echo "EOF" >> $GITHUB_ENV
+
+      - name: Delete web-features directory
+        run: rm -r web-features
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v7
+        with:
+          token: ${{ secrets.GH_TOKEN }} # need the rights to create and edit PRs
+          commit-message: Update web-features tags
+          author: mdn-bot <[email protected]>
+          signoff: false
+          branch: web-features-tags
+          delete-branch: true
+          add-paths: "*.json"
+          title: "Update web-features tags"
+          body: |
+            The output of the `migrate-to-bcd` script is:
+            ${{ env.RESULT }}
+          draft: false