Update ad-m/github-push-action action to v1 (#128)

Co-authored-by: oxide-renovate[bot] <146848827+oxide-renovate[bot]@users.noreply.github.com>

Author: oxide-renovate[bot]

.github/workflows/rust.yml

@@ -38,7 +38,7 @@ jobs:
           
       - name: push deployment branch
         if: github.ref == 'refs/heads/main'
-        uses: ad-m/github-push-action@d91a481090679876dfc4178fef17f286781251df # v0.8.0
+        uses: ad-m/github-push-action@77c5b412c50b723d2a4fbc6d71fb5723bcd439aa # v1.0.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           branch: gh-pages