Update engine to gradle version that is at least as recent as the template gradle version (currently 7.5.0).

CIPD package to update.
https://chrome-infra-packages.appspot.com/p/flutter/gradle/+/
Defaults in templates
https://github.com/flutter/flutter/blob/master/packages/flutter_tools/lib/src/android/gradle_utils.dart
Gradle source of truth
https://gradle.org/releases/
CIPD documentation
https://g3doc.corp.google.com/company/teams/flutter/infrastructure/luci/cipd.md?cl=head#requesting-writeread-access-to-cipd-packages
Last (only) time this was updated flutter/engine#28264