chore: Update min version of Dart SDK to 3.0.0 (#629)

* chore: Update min version of Dart SDK to 3.0.0

* Update CI min Dart SDK to 3.0.0

* Remove unnecessary breaks

.github/workflows/validate.yaml

@@ -31,7 +31,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: dart-lang/setup-dart@v1
         with:
-          sdk: 2.18.0 # Update when min sdk supported version of `melos` package changes.
+          sdk: 3.0.0 # Update when min sdk supported version of `melos` package changes.
       - name: Run Melos
         run: ./.github/workflows/scripts/install-tools.sh
 

melos.yaml

@@ -9,7 +9,7 @@ ignore:
 command:
   bootstrap:
     environment:
-      sdk: '>=2.18.0 <3.0.0'
+      sdk: ">=3.0.0 <4.0.0"
     dependencies:
       ansi_styles: ^0.3.1
       args: ^2.0.0

packages/conventional_commit/pubspec.yaml

@@ -6,7 +6,7 @@ repository: https://github.com/invertase/melos/tree/main/packages/conventional_c
 issue_tracker: https://github.com/invertase/melos/issues
 
 environment:
-  sdk: '>=2.18.0 <3.0.0'
+  sdk: ">=3.0.0 <4.0.0"
 
 dev_dependencies:
   collection: ^1.15.0

packages/melos/lib/src/common/versioning.dart

@@ -326,14 +326,11 @@ Version nextVersion(
         nextPreMajor++;
         nextPreMinor = 0;
         nextPrePatch = 0;
-        break;
       case SemverReleaseType.minor:
         nextPreMinor++;
         nextPrePatch = 0;
-        break;
       case SemverReleaseType.patch:
         nextPrePatch++;
-        break;
     }
     return Version(
       currentVersion.major,

packages/melos/pubspec.yaml

@@ -9,7 +9,7 @@ repository: https://github.com/invertase/melos/tree/main/packages/melos
 issue_tracker: https://github.com/invertase/melos/issues
 
 environment:
-  sdk: '>=2.18.0 <3.0.0'
+  sdk: ">=3.0.0 <4.0.0"
 
 executables:
   melos:

pubspec.yaml

@@ -1,7 +1,7 @@
 name: melos_workspace
 
 environment:
-  sdk: '>=2.18.0 <3.0.0'
+  sdk: ">=3.0.0 <4.0.0"
 
 # This allows us to use melos on itself during development.
 executables: