Start testing on PHP 8.5 (#349)

Author: spaze

.github/workflows/php.yml

@@ -20,6 +20,7 @@ jobs:
           - "8.2"
           - "8.3"
           - "8.4"
+          - "8.5"
         run:
           - composer lint
           - composer phpcs
@@ -81,6 +82,7 @@ jobs:
           - "8.2"
           - "8.3"
           - "8.4"
+          - "8.5"
         update-options:
           - ""
           - "--prefer-lowest"
@@ -117,6 +119,7 @@ jobs:
           - "8.2"
           - "8.3"
           - "8.4"
+          - "8.5"
         operating-system:
           - ubuntu-latest
           - windows-latest