chore: Update CHANGELOG for version 0.3.0 release date and adjust composer.json for stability settings.

Author: terabytesoftw

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Change Log
 
-## 0.3.0 Under development
+## 0.3.0 June 27, 2025
 
 - Enh #35: Move config fixtures into `config` subdirectory (@terabytesoftw)
 - Enh #36: Update `ActiveQuery` and `ActiveRecord` dynamic return type extensions for improved type inference and error handling; remove deprecated `ActiveQueryObjectType` and `ActiveRecordObjectType` classes (@terabytesoftw)

composer.json

@@ -7,13 +7,11 @@
         "phpstan"
     ],
     "license": "BSD-3-Clause",
-    "minimum-stability": "dev",
-    "prefer-stable": true,
     "require": {
         "php": ">=8.1",
         "nikic/php-parser": "^4.1|^5.4.0",
         "phpstan/phpstan": "^2.1",
-        "yiisoft/yii2": "dev-master|^22"
+        "yiisoft/yii2": "^2.0.53|^22"
     },
     "require-dev": {
         "maglnet/composer-require-checker": "^4.7",
@@ -34,7 +32,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-main": "0.2.x-dev"
+            "dev-main": "0.3-x-dev"
         },
 		"phpstan": {
 			"includes": [