Tighten minimum dependencies.

pubspec.yaml

@@ -10,43 +10,43 @@ environment:
   sdk: '>=3.0.0 <4.0.0'
 
 dependencies:
-  analyzer: '>=5.0.0 <7.0.0'
-  args: ^2.0.0
-  async: ^2.0.0
+  analyzer: ^6.11.0
+  args: ^2.6.0
+  async: ^2.12.0
   cli_util: ^0.4.2
-  collection: ^1.15.0
-  crypto: ^3.0.0
-  html: ^0.15.0
-  http: ^1.0.0
-  io: ^1.0.0
+  collection: ^1.19.1
+  crypto: ^3.0.6
+  html: ^0.15.5
+  http: ^1.2.2
+  io: ^1.0.5
   json_annotation: ^4.9.0
-  lints: '>=4.0.0 <6.0.0'
-  logging: ^1.0.0
-  markdown: ^7.0.0
-  meta: ^1.4.0
-  path: ^1.6.2
-  pub_semver: ^2.0.0
-  pubspec_parse: ^1.2.2
-  retry: ^3.0.1
-  safe_url_check: ^1.0.0
-  source_span: ^1.7.0
-  string_scanner: ^1.1.0
+  lints: ^5.1.1
+  logging: ^1.3.0
+  markdown: ^7.2.2
+  meta: ^1.16.0
+  path: ^1.9.1
+  pub_semver: ^2.1.5
+  pubspec_parse: ^1.4.0
+  retry: ^3.1.2
+  safe_url_check: ^1.1.2
+  source_span: ^1.10.1
+  string_scanner: ^1.4.1
   tar: ^2.0.0
-  test: ^1.5.2 # needed for lib/src/third_party/diff_match_patch/test.dart
-  yaml: ^3.0.0
+  test: ^1.25.14 # needed for lib/src/third_party/diff_match_patch/test.dart
+  yaml: ^3.1.3
 
 dev_dependencies:
-  build: ^2.0.1
-  build_config: ^1.0.0
-  build_runner: ^2.0.4
-  build_verify: ^3.0.0
-  build_version: ^2.0.0
-  dart_flutter_team_lints: ^3.1.0
-  json_serializable: ^6.0.0
-  shelf: ^1.0.0
-  source_gen: ^1.0.0
-  test_descriptor: ^2.0.0
-  test_process: ^2.0.0
+  build: ^2.4.2
+  build_config: ^1.1.2
+  build_runner: ^2.4.14
+  build_verify: ^3.1.0
+  build_version: ^2.1.1
+  dart_flutter_team_lints: ^3.2.1
+  json_serializable: ^6.9.0
+  shelf: ^1.4.2
+  source_gen: ^1.5.0
+  test_descriptor: ^2.0.2
+  test_process: ^2.1.1
 
 executables:
   pana: