build: Remove prefer-lowest stability option

Author: leMaur

.github/workflows/run-tests.yml

@@ -15,7 +15,7 @@ jobs:
         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.*