Update lints, bump min SDK to ^3.1.0 (#56)

Author: kevmoo

.github/workflows/build.yaml

@@ -18,22 +18,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        sdk: [dev, stable]
+        sdk: [dev, 3.1]
 
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - uses: dart-lang/setup-dart@b64355ae6ca0b5d484f0106a033dd1388965d06d
         with:
           sdk: ${{ matrix.sdk }}
 
-      - name: pub get
-        run: dart pub get
-
+      - run: dart pub get
       - name: dart format
         run: dart format --output=none --set-exit-if-changed .
-
-      - name: dart analyze
-        run: dart analyze
-
-      - name: dart test
-        run: dart test
+      - run: dart analyze --fatal-infos
+      - run: dart test

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.2.3-wip
+
+- Require Dart `^3.1.0`.
+
 ## 0.2.2
 
 - Update to package:lints 2.0.0 and move it to a dev dependency.

analysis_options.yaml

@@ -1,11 +1,5 @@
-include: package:lints/recommended.yaml
-
-analyzer:
-  errors:
-    slash_for_doc_comments: ignore
+include: package:dart_flutter_team_lints/analysis_options.yaml
 
 linter:
   rules:
-    - always_declare_return_types
-    - directives_ordering
     - public_member_api_docs