firebase_database-v6.1.1
- **CHORE**: bump min Dart SDK constraint to 2.12.0 (#5430). - **CHORE**: publish packages (#5429). - **CHORE**: merge all analysis_options.yaml into one (#5329). - **CHORE**: publish packages. - **CHORE**: enable lints for firebase_database (#5233). - **CHORE**: rm dev dependencies breaking CI (#5221).