enable php 8.5 for zig

Author: henderkes

.github/workflows/build-zig-packages.yml

@@ -29,7 +29,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php-version: [ 8.2, 8.3, 8.4 ]
+                php-version: [ 8.2, 8.3, 8.4, 8.5 ]
                 arch: [ x86_64, arm64 ]
                 target: [ native-native-gnu.2.17 ]
         steps: