build(deps): bump the github-actions group with 2 updates (#4235)

Bumps the github-actions group with 2 updates: [actions/checkout](https://github.com/actions/checkout) and [peter-evans/slash-command-dispatch](https://github.com/peter-evans/slash-command-dispatch).


Updates `actions/checkout` from 5 to 6
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v5...v6)

Updates `peter-evans/slash-command-dispatch` from 4 to 5
- [Release notes](https://github.com/peter-evans/slash-command-dispatch/releases)
- [Commits](https://github.com/peter-evans/slash-command-dispatch/compare/v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: peter-evans/slash-command-dispatch
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

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

.github/workflows/slash-command-dispatch.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Slash Command Dispatch
-        uses: peter-evans/slash-command-dispatch@v4
+        uses: peter-evans/slash-command-dispatch@v5
         with:
           token: ${{ secrets.ACTIONS_BOT_TOKEN }}
           config: >