Update php Docker tag to v8.5

.changes/unreleased/Release-renovate-1791597790110.yaml

@@ -0,0 +1,7 @@
+kind: Release
+body: |
+  - php: 8.4-fpm-alpine ->  8.5-fpm-alpine
+
+time: 2026-10-10T02:03:10+00:00
+custom:
+  Issue: ""

Dockerfile

@@ -1,4 +1,4 @@
-FROM php:8.4-fpm-alpine AS chill_base_php82
+FROM php:8.5-fpm-alpine@sha256:fa01fb1645cd0fc566a5f146b099adace33b906571f972f71f2182a7c12d1cd7 AS chill_base_php82
 
 ENV POSTGRES_VERSION=16