Bump terraform-docs/gh-actions from 1.2.0 to 1.3.0

Bumps [terraform-docs/gh-actions](https://github.com/terraform-docs/gh-actions) from 1.2.0 to 1.3.0.
- [Release notes](https://github.com/terraform-docs/gh-actions/releases)
- [Commits](terraform-docs/gh-actions@v1.2.0...v1.3.0)

---
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]>

Author: dependabot[bot]

.github/workflows/terraform_docs.yml

@@ -15,7 +15,7 @@ jobs:
         ref: ${{ github.event.pull_request.head.ref }}
 
     - name: Render terraform docs inside the REFERENCE.md and push changes back to PR branch
-      uses: terraform-docs/gh-actions@v1.2.0
+      uses: terraform-docs/gh-actions@v1.3.0
       with:
         working-dir: .
         output-file: docs/reference.md