chore(deps): bump the shorebird_code_push-deps group (#333)

Bumps the shorebird_code_push-deps group in /shorebird_code_push with 2 updates: [ffigen](https://github.com/dart-lang/native/tree/main/pkgs) and [very_good_analysis](https://github.com/VeryGoodOpenSource/very_good_analysis).


Updates `ffigen` from 18.1.0 to 20.1.1
- [Release notes](https://github.com/dart-lang/native/releases)
- [Commits](https://github.com/dart-lang/native/commits/ffigen-v20.1.1/pkgs)

Updates `very_good_analysis` from 7.0.0 to 10.2.0
- [Release notes](https://github.com/VeryGoodOpenSource/very_good_analysis/releases)
- [Changelog](https://github.com/VeryGoodOpenSource/very_good_analysis/blob/main/CHANGELOG.md)
- [Commits](https://github.com/VeryGoodOpenSource/very_good_analysis/compare/v7.0.0...v10.2.0)

---
updated-dependencies:
- dependency-name: ffigen
  dependency-version: 20.1.1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: shorebird_code_push-deps
- dependency-name: very_good_analysis
  dependency-version: 10.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: shorebird_code_push-deps
...

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

shorebird_code_push/pubspec.yaml

@@ -13,10 +13,10 @@ dependencies:
   meta: ^1.9.1
 
 dev_dependencies:
-  ffigen: ">=8.0.2 <19.0.0"
+  ffigen: ">=8.0.2 <21.0.0"
   mocktail: ^1.0.0
   test: ^1.19.2
-  very_good_analysis: ^7.0.0
+  very_good_analysis: ">=7.0.0 <11.0.0"
 
 ffigen:
   output: "lib/src/generated/updater_bindings.g.dart"