feat(deps): bump planetscale/ghcommit-action from 0.2.17 to 0.2.18

Bumps [planetscale/ghcommit-action](https://github.com/planetscale/ghcommit-action) from 0.2.17 to 0.2.18.
- [Release notes](https://github.com/planetscale/ghcommit-action/releases)
- [Commits](planetscale/ghcommit-action@v0.2.17...v0.2.18)

---
updated-dependencies:
- dependency-name: planetscale/ghcommit-action
  dependency-version: 0.2.18
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/workflow.yaml

@@ -634,7 +634,7 @@ jobs:
             echo "changes_detected=true" >> $GITHUB_OUTPUT
           fi
 
-      - uses: planetscale/[email protected].17
+      - uses: planetscale/[email protected].18
         if: steps.check_for_changes.outputs.changes_detected == 'true'
         with:
           commit_message: ${{ inputs.terraform-docs-git-commit-message }}