Update run-tests.yml

Author: vlados

.github/workflows/run-tests.yml

@@ -12,10 +12,10 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: [ubuntu-latest]
+        os: [ubuntu-latest, windows-latest]
         php: [8.2, 8.1]
         laravel: [10.*]
-        stability: [prefer-lowest, prefer-stable]
+        stability: [prefer-stable]
         include:
           - laravel: 10.*
             testbench: 8.*