Lock file maintenance (#188)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

example/pubspec.lock

@@ -5,26 +5,26 @@ packages:
     dependency: transitive
     description:
       name: _fe_analyzer_shared
-      sha256: da0d9209ca76bde579f2da330aeb9df62b6319c834fa7baae052021b0462401f
+      sha256: c209688d9f5a5f26b2fb47a188131a6fb9e876ae9e47af3737c0b4f58a93470d
       url: "https://pub.dev"
     source: hosted
-    version: "85.0.0"
+    version: "91.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
-      sha256: "974859dc0ff5f37bc4313244b3218c791810d03ab3470a579580279ba971a48d"
+      sha256: f51c8499b35f9b26820cfe914828a6a98a94efd5cc78b37bb7d03debae3a1d08
       url: "https://pub.dev"
     source: hosted
-    version: "7.7.1"
+    version: "8.4.1"
   analyzer_plugin:
     dependency: transitive
     description:
       name: analyzer_plugin
-      sha256: a5ab7590c27b779f3d4de67f31c4109dbe13dd7339f86461a6f2a8ab2594d8ce
+      sha256: "825071d553c4aef2252196d46a665fbd8e0cb06de07725f25d1b29bd18d65fff"
       url: "https://pub.dev"
     source: hosted
-    version: "0.13.4"
+    version: "0.13.6"
   ansicolor:
     dependency: transitive
     description:
@@ -117,18 +117,18 @@ packages:
     dependency: "direct dev"
     description:
       name: dart_code_linter
-      sha256: "9456e0a7508b0d76be301dc2f73be37e601019e85c5f59e6a5cc460af90f7dcd"
+      sha256: "69f4244401d4321031d71015e9e81887756c6818c20444d61604e44889260770"
       url: "https://pub.dev"
     source: hosted
-    version: "3.1.1"
+    version: "3.2.0"
   dart_style:
     dependency: transitive
     description:
       name: dart_style
-      sha256: "8a0e5fba27e8ee025d2ffb4ee820b4e6e2cf5e4246a6b1a477eb66866947e0bb"
+      sha256: c87dfe3d56f183ffe9106a18aebc6db431fc7c98c31a54b952a77f3d54a85697
       url: "https://pub.dev"
     source: hosted
-    version: "3.1.1"
+    version: "3.1.2"
   fake_async:
     dependency: transitive
     description:
@@ -419,10 +419,10 @@ packages:
     dependency: transitive
     description:
       name: watcher
-      sha256: "5bf046f41320ac97a469d506261797f35254fa61c641741ef32dacda98b7d39c"
+      sha256: "592ab6e2892f67760543fb712ff0177f4ec76c031f02f5b4ff8d3fc5eb9fb61a"
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.3"
+    version: "1.1.4"
   web:
     dependency: transitive
     description: