ci: Fix VHS workflow

Author: aklinker1

.github/workflows/vhs.yml

@@ -18,6 +18,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.ref }}
 
       - name: Setup
         uses: ./.github/actions/setup
@@ -47,5 +49,8 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           commit_message: 'docs: Update `wxt init` GIF'
+          commit_user_name: github-actions[bot]
+          commit_user_email: github-actions[bot]@users.noreply.github.com
+          commit_author: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
           # https://github.com/charmbracelet/vhs#output
           file_pattern: 'docs/assets/*.gif'