Update PHP version and Ubuntu runner in workflow

Author: dktapps

.github/workflows/main.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   build:
     name: PHP ${{ matrix.php }}, ZTS=${{ matrix.zts }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     strategy:
       fail-fast: false
@@ -21,9 +21,10 @@ jobs:
           - 7.3.33
           - 7.4.29
           - 8.0.27
-          - 8.1.26
-          - 8.2.13
-          - 8.3.0
+          - 8.1.33
+          - 8.2.29
+          - 8.3.25
+          - 8.4.12
         zts: [enable, disable]
     steps:
       - uses: actions/checkout@v4