Prepare release sidekick_core-v2.0.0-preview.1

sidekick_core/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## [2.0.0-preview.1](https://github.com/phntmxyz/sidekick/compare/sidekick_core-v1.3.0..sidekick_core-v2.0.0-preview.1) (2023-5-30)
+
+- [Dart 3] Update sidekick_core & CI [#228](https://github.com/phntmxyz/sidekick/pull/228)
+
 ## [1.3.0](https://github.com/phntmxyz/sidekick/compare/sidekick_core-v1.2.0..sidekick_core-v1.3.0) (2023-5-24)
 
 This release is necessary for future support for Dart 3.0. Please do update to this version, before upgrading to `sidekick_core: ^2.0.0` with Dart 3.0 support.

sidekick_core/lib/sidekick_core.dart

@@ -53,7 +53,7 @@ export 'package:sidekick_core/src/template/sidekick_package.template.dart';
 /// This is used by the update command to determine if your sidekick cli
 /// requires an update
 // DO NOT MANUALLY EDIT THIS VERSION, instead run `sk bump-version sidekick_core`
-final Version version = Version.parse('1.3.0');
+final Version version = Version.parse('2.0.0-preview.1');
 
 /// Initializes sidekick, call this at the very start of your CLI program
 ///

sidekick_core/pubspec.yaml

@@ -1,6 +1,6 @@
 name: sidekick_core
 description: Shared sidekick commands, plugin engine, migrations, templates and utilities for sidekick CLIs
-version: 1.3.0
+version: 2.0.0-preview.1
 repository: https://github.com/phntmxyz/sidekick/tree/main/sidekick_core
 issue_tracker: https://github.com/phntmxyz/sidekick/labels/sidekick_core
 topics:

sk_sidekick/pubspec.lock

@@ -503,7 +503,7 @@ packages:
       path: "../sidekick_core"
       relative: true
     source: path
-    version: "1.3.0"
+    version: "2.0.0-preview.1"
   sidekick_test:
     dependency: "direct dev"
     description: