chore(deps): bump pana from 0.22.17 to 0.22.18

Bumps [pana](https://github.com/dart-lang/pana) from 0.22.17 to 0.22.18.
- [Release notes](https://github.com/dart-lang/pana/releases)
- [Changelog](https://github.com/dart-lang/pana/blob/master/CHANGELOG.md)
- [Commits](dart-lang/pana@0.22.17...0.22.18)

---
updated-dependencies:
- dependency-name: pana
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

pubspec.yaml

@@ -21,7 +21,7 @@ dependencies:
   mason_logger: ^0.3.0
   meta: ^1.15.0
   package_config: ^2.1.0
-  pana: 0.22.17 # Very Good CLI is using private PANA's license detector that might break in a minor version update. Be sure that CI passes before merging a change to this package version!
+  pana: 0.22.18 # Very Good CLI is using private PANA's license detector that might break in a minor version update. Be sure that CI passes before merging a change to this package version!
   path: ^1.9.0
   pub_updater: ^0.5.0
   pubspec_parse: ^1.3.0