Added php 8.4

Author: laruence

.github/workflows/integrate.yml

@@ -11,10 +11,10 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        PHP: ["7.0", "7.1", "7.2", "7.3", "7.4", "8.0", "8.1", "8.2", "8.3"]
+        PHP: ["7.0", "7.1", "7.2", "7.3", "7.4", "8.0", "8.1", "8.2", "8.3", "8.4"]
         ZTS: ["no"]
         include:
-          - PHP: "8.3"
+          - PHP: "8.4"
             ZTS: "yes"
     env:
       PHP: ${{ matrix.PHP }}