Automatically trigger Tailwind Play PRs on release (#9601)

* trigger a Taiwind Play build on release

* ensure version has quotes

.github/workflows/release.yml

@@ -45,12 +45,29 @@ jobs:
         env:
           CI: true
 
-      - name: Calculate tag
+      - name: Calculate environment variables
         run: |
           echo "tag_name=$(npm run calculate-tag-name --silent)" >> $GITHUB_ENV
+          echo "tailwindcss_version=$(node -e 'console.log(require(`./package.json`).version);')" >> $GITHUB_ENV
 
       - name: Publish
         run: npm publish --tag ${{ env.tag_name }}
         env:
           CI: true
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Trigger Tailwind Play update
+        if: env.tag_name == 'latest'
+        uses: actions/github-script@v6
+        with:
+          github-token: ${{ secrets.TAILWIND_PLAY_TOKEN }}
+          script: |
+            await github.rest.actions.createWorkflowDispatch({
+              owner: 'tailwindlabs',
+              repo: 'play.tailwindcss.com',
+              ref: 'master',
+              workflow_id: 'upgrade-tailwindcss.yml',
+              inputs: {
+                version: '${{ env.tailwindcss_version }}'
+              }
+            })