Update php:8.4.13 Docker digest to c4644a2

Author: renovate-bot

.drone.yml

@@ -9,7 +9,7 @@ steps:
     commands:
       - composer install
   - name: build
-    image: php:8.4.13@sha256:a627efe3590141fb90893d2db373020b67c0f297a05a92ab1e4fd2f9fb8afd86
+    image: php:8.4.13@sha256:c4644a29ed0972ebe37535b448c599dc1c6b06a691d09541831331c054890c90
     commands:
       - ./vendor/bin/daux generate
   - name: deploy