Bump terraform-docs/gh-actions

Bumps [terraform-docs/gh-actions](https://github.com/terraform-docs/gh-actions) from 72ed18e5751c95dc36107dff832598081ff56eb9 to fdf26f471dc7aa676877f9e2b21b0371f55a6209.
- [Release notes](https://github.com/terraform-docs/gh-actions/releases)
- [Commits](terraform-docs/gh-actions@72ed18e...fdf26f4)

---
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@72ed18e5751c95dc36107dff832598081ff56eb9
+        uses: terraform-docs/gh-actions@fdf26f471dc7aa676877f9e2b21b0371f55a6209
         with:
           working-dir: .
           output-file: README.md