Bump github/branch-deploy from 7.2.0 to 8.0.0

Bumps [github/branch-deploy](https://github.com/github/branch-deploy) from 7.2.0 to 8.0.0.
- [Release notes](https://github.com/github/branch-deploy/releases)
- [Commits](github/branch-deploy@v7.2.0...v8.0.0)

---
updated-dependencies:
- dependency-name: github/branch-deploy
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/deploy.yml

@@ -27,7 +27,7 @@ jobs:
     steps:
       # https://github.com/github/branch-deploy/blob/d3c24bd92505e623615b75ffdfac5ed5259adbdb/docs/merge-commit-strategy.md
       - name: deployment check
-        uses: github/branch-deploy@v7.2.0
+        uses: github/branch-deploy@v8.0.0
         id: deployment-check
         with:
           merge_deploy_mode: "true"

.github/workflows/unlock-on-merge.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: unlock on merge
-        uses: github/branch-deploy@v7.2.0
+        uses: github/branch-deploy@v8.0.0
         id: unlock-on-merge
         with:
           unlock_on_merge_mode: "true" # <-- indicates that this is the "Unlock on Merge Mode" workflow