Bump unified_analytics from 4.0.1 to 5.1.0 (#4037)

Bumps [unified_analytics](https://github.com/dart-lang/tools/tree/main/pkgs) from 4.0.1 to 5.1.0.
- [Release notes](https://github.com/dart-lang/tools/releases)
- [Commits](https://github.com/dart-lang/tools/commits/unified_analytics-v5.1.0/pkgs)

---
updated-dependencies:
- dependency-name: unified_analytics
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

pubspec.yaml

@@ -25,7 +25,7 @@ dependencies:
   stack_trace: ^1.10.0
   tar: ^1.0.1
   typed_data: ^1.3.1
-  unified_analytics: ^4.0.1
+  unified_analytics: ^5.1.0
   yaml: ^3.1.0
   yaml_edit: ^2.0.0