ci(tests): update run-tests.yml to use only ubuntu-latest for OS matrix

Author: ManukMinasyan

.github/workflows/run-tests.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        os: [ubuntu-latest]
         php: [8.3]
         laravel: [11.*]
         stability: [prefer-lowest, prefer-stable]