Update e2e-tests.yml

Author: staabm

.github/workflows/e2e-tests.yml

@@ -383,7 +383,6 @@ jobs:
               ../../bin/phpstan analyze test.php --level=0
             os: "ubuntu-latest"
           - script: |
-              brew install gpatch
               cd e2e/bug-12972
               ../../bin/phpstan analyze
             os: "macos-latest"
@@ -392,6 +391,10 @@ jobs:
       - name: "Checkout"
         uses: actions/checkout@v4
 
+      - name: "Install gpatch on macOS"
+        if: runner.os == 'macOS'
+        run: "brew install gpatch"
+
       - name: "Install PHP"
         uses: "shivammathur/setup-php@v2"
         with: