Bump terraform-docs/gh-actions

Bumps [terraform-docs/gh-actions](https://github.com/terraform-docs/gh-actions) from d1c99433f7a1e5003ef213d70f89aaa47cb0b675 to b9ea051e31d6fea24f409f2445d563a4bbde7fbf.
- [Release notes](https://github.com/terraform-docs/gh-actions/releases)
- [Commits](terraform-docs/gh-actions@d1c9943...b9ea051)

---
updated-dependencies:
- dependency-name: terraform-docs/gh-actions
  dependency-type: direct:production
...

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

.github/workflows/terraform.yml

@@ -27,7 +27,7 @@ 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@d1c99433f7a1e5003ef213d70f89aaa47cb0b675
+        uses: terraform-docs/gh-actions@b9ea051e31d6fea24f409f2445d563a4bbde7fbf
         with:
           working-dir: .
           output-file: README.md