fix: removed matrix id

Author: marco-ippolito

.github/workflows/update-v8.yml

@@ -55,9 +55,9 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GH_USER_TOKEN }}
         with:
           author: Node.js GitHub Bot <github-bot@iojs.org>
-          body: This is an automated update of ${{ matrix.id }} to ${{ env.NEW_VERSION }}.
+          body: This is an automated update of v8 to ${{ env.NEW_VERSION }}.
           branch: actions/update-v8-${{ matrix.id }}  # Custom branch *just* for this Action.
           commit-message: ${{ env.COMMIT_MSG }}
           labels: ${{ matrix.label }}
-          title: '${{ matrix.subsystem }}: update ${{ matrix.id }} to ${{ env.NEW_VERSION }}'
+          title: '${{ matrix.subsystem }}: update v8 to ${{ env.NEW_VERSION }}'
           update-pull-request-title-and-body: true