Bump planetscale/ghcommit-action

Bumps the github-actions-dependencies group with 1 update: [planetscale/ghcommit-action](https://github.com/planetscale/ghcommit-action).


Updates `planetscale/ghcommit-action` from 0.2.19 to 0.2.20
- [Release notes](https://github.com/planetscale/ghcommit-action/releases)
- [Commits](planetscale/ghcommit-action@v0.2.19...v0.2.20)

---
updated-dependencies:
- dependency-name: planetscale/ghcommit-action
  dependency-version: 0.2.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-actions-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/helm-chart.yml

@@ -88,7 +88,7 @@ jobs:
           GH_TOKEN: ${{ steps.generate_token.outputs.token }}
 
       - name: Commit and push changes
-        uses: planetscale/ghcommit-action@v0.2.19
+        uses: planetscale/ghcommit-action@v0.2.20
         with:
           commit_message: 'Update helm docs'
           repo: ${{ github.repository }}