* Update `setup-swift` to v1.22.0
* Configure dependabot to scan `setup-swift` dir
* Add reminder to manually update the SHA in CLI test
* Add comment on new Dependabot directory
This commit addresses the error:
The property '#/updates/0/ignore' of type object did not match the following type: array
The property '#/updates/1/ignore' of type object did not match the following type: array