Bump terraform-docs/gh-actions from 1.2.0 to 1.3.0 (#58)

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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/terraform-docs.yml

@@ -16,7 +16,7 @@ jobs:
         with:
           ref: ${{ github.event.pull_request.head.ref }}
       - name: Render terraform docs and push changes
-        uses: terraform-docs/gh-actions@v1.2.0
+        uses: terraform-docs/gh-actions@v1.3.0
         with:
           config-file: .terraform-docs.yaml
           git-push: "true"