Update dependency flutter_lints to v3

pubspec.lock

@@ -66,10 +66,10 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      sha256: b543301ad291598523947dc534aaddc5aaad597b709d2426d3a0e0d44c5cb493
+      sha256: ad76540d21c066228ee3f9d1dad64a9f7e46530e8bb7c85011a88bc1fd874bc5
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.4"
+    version: "3.0.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -87,10 +87,10 @@ packages:
     dependency: transitive
     description:
       name: lints
-      sha256: a2c3d198cb5ea2e179926622d433331d8b58374ab8f29cdda6e863bd62fd369c
+      sha256: cbf8d4b858bb0134ef3ef87841abdf8d63bfc255c266b7bf6b39daa1085c4290
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.1"
+    version: "3.0.0"
   matcher:
     dependency: transitive
     description:

pubspec.yaml

@@ -46,7 +46,7 @@ dev_dependencies:
   # activated in the `analysis_options.yaml` file located at the root of your
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
-  flutter_lints: ^1.0.0
+  flutter_lints: ^3.0.0
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec