fix(deps): update dependency lints to v6

Author: renovate[bot]

example/pubspec.lock

@@ -52,10 +52,10 @@ packages:
     dependency: "direct main"
     description:
       name: lints
-      sha256: cbf8d4b858bb0134ef3ef87841abdf8d63bfc255c266b7bf6b39daa1085c4290
+      sha256: a5e2b223cb7c9c8efdc663ef484fdd95bb243bff242ef5b13e26883547fce9a0
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.0"
+    version: "6.0.0"
   meta:
     dependency: transitive
     description:
@@ -137,4 +137,4 @@ packages:
     source: hosted
     version: "1.0.0"
 sdks:
-  dart: ">=3.4.0 <4.0.0"
+  dart: ">=3.8.0-0 <4.0.0"

example/pubspec.yaml

@@ -10,7 +10,7 @@ dependencies:
   built_collection: ^5.1.1
   http: ^1.0.0
   rxdart_ext: ^0.3.0
-  lints: ^3.0.0
+  lints: ^6.0.0
   dart_either:
 
 dependency_overrides:

pubspec.yaml

@@ -26,7 +26,7 @@ dependencies:
 
 dev_dependencies:
   rxdart_ext: ^0.3.0
-  lints: ^3.0.0
+  lints: ^6.0.0
   test: ^1.25.5
 
 dependency_overrides: