Update planetscale/ghcommit-action action to v0.2.18

Author: renovate[bot]

.github/workflows/lint.yml

@@ -118,7 +118,7 @@ jobs:
         env:
           GITHUB_TOKEN: '${{ secrets.RSG_BOT_TOKEN }}'
         if: "contains('${{ steps.commit-message.outputs.message }}', 'Automatically linting code')"
-        uses: planetscale/[email protected].17
+        uses: planetscale/[email protected].18
         with:
           commit_message: 'Automatically linting code'
           repo: '${{ github.repository }}'