Update test matrix in GitHub Actions workflow

Adjust PHP versions order, add additional testbench and carbon versions to the matrix, and ensure broader compatibility coverage.

Author: jeffersongoncalves

.github/workflows/run-tests.yml

@@ -13,10 +13,10 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest, windows-latest]
-        php: [8.2, 8.1]
+        php: [8.1, 8.2]
         laravel: [^11.0, ^12.0]
-        testbench: [^9.0]
-        carbon: [^2.63]
+        testbench: [^9.0, ^9.0]
+        carbon: [^2.63, ^2.63]
         stability: [prefer-lowest, prefer-stable]
 
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.stability }} - ${{ matrix.os }}