Update dependency analyzer to v2 (#11)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

pubspec.yaml

@@ -38,7 +38,7 @@ dev_dependencies:
     sdk: flutter
   build_runner: ^2.0.0
   built_value_generator: ^8.1.1
-  analyzer: ^1.7.2
+  analyzer: ^2.0.0
   flutter_lints: ^1.0.4
 
 flutter: