Bump terraform-docs/gh-actions from 1.1.0 to 1.2.0

Bumps [terraform-docs/gh-actions](https://github.com/terraform-docs/gh-actions) from 1.1.0 to 1.2.0.
- [Release notes](https://github.com/terraform-docs/gh-actions/releases)
- [Commits](terraform-docs/gh-actions@v1.1.0...v1.2.0)

---
updated-dependencies:
- dependency-name: terraform-docs/gh-actions
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/documentation.yml

@@ -11,7 +11,7 @@ jobs:
       with:
         ref: ${{ github.event.pull_request.head.ref }}
     - name: Render terraform docs inside the README.md and push changes back to PR branch
-      uses: terraform-docs/gh-actions@v1.1.0
+      uses: terraform-docs/gh-actions@v1.2.0
       with:
         github-token: ${{ secrets.GH_TOKEN }}
         working-dir: .