limit matrix and update wf titles

Author: melbahja

.github/workflows/main.yml

@@ -13,13 +13,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     continue-on-error: ${{ matrix.experimental }}
     strategy:
-      max-parallel: 3
+      max-parallel: 1
       matrix:
         os: [ubuntu-latest]
         php: [8.1, 8.2, 8.3, 8.4, 8.5]
         experimental: [false]
 
-    name: PHP ${{ matrix.php }} test on ${{ matrix.os }}
+    name: Testing PHP ${{ matrix.php }} on ${{ matrix.os }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4