build(deps): bump peter-evans/slash-command-dispatch from 1 to 3

Bumps [peter-evans/slash-command-dispatch](https://github.com/peter-evans/slash-command-dispatch) from 1 to 3.
- [Release notes](https://github.com/peter-evans/slash-command-dispatch/releases)
- [Commits](https://github.com/peter-evans/slash-command-dispatch/compare/v1...v3)

---
updated-dependencies:
- dependency-name: peter-evans/slash-command-dispatch
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/ok-to-test.yml

@@ -23,7 +23,7 @@ jobs:
         private_key: ${{ secrets.DEPLOYBOT_PRIVATE_KEY }}
 
     - name: Slash Command Dispatch
-      uses: peter-evans/slash-command-dispatch@v1
+      uses: peter-evans/slash-command-dispatch@v3
       env:
         TOKEN: ${{ steps.generate_token.outputs.token }}
       with: