Update GHA runner image

Author: szepeviktor

.github/workflows/integrate.yml

@@ -26,7 +26,7 @@ jobs:
           - "8.0"
           - "7.4"
           - "7.3"
-    runs-on: "ubuntu-20.04"
+    runs-on: "ubuntu-24.04"
     timeout-minutes: 5
     steps:
     - name: "Setup PHP"
@@ -66,7 +66,7 @@ jobs:
           - "8.0"
           - "7.4"
           - "7.3"
-    runs-on: "ubuntu-20.04"
+    runs-on: "ubuntu-24.04"
     timeout-minutes: 5
     steps:
     - name: "Setup PHP"