chore(deps): bump 1Password/check-signed-commits-action

Bumps [1Password/check-signed-commits-action](https://github.com/1password/check-signed-commits-action) from 1.0.0 to 1.2.0.
- [Release notes](https://github.com/1password/check-signed-commits-action/releases)
- [Commits](1Password/check-signed-commits-action@v1.0.0...v1.2.0)

---
updated-dependencies:
- dependency-name: 1Password/check-signed-commits-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/check-signed.yml

@@ -20,7 +20,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Check signed commits in PR
-        uses: 1Password/check-signed-commits-action@v1.0.0
+        uses: 1Password/check-signed-commits-action@v1.2.0
         with:
           comment: |
             You must GPG-sign your work, certifying that you either wrote the work or otherwise have the right to pass it on to an open-source project. See Developer's Certificate of Origin. See [signing][1].