Update php Docker tag to v8.5

| datasource | package | from | to  |
| ---------- | ------- | ---- | --- |
| docker     | php     | 8.4  | 8.5 |


Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.docker/php/Dockerfile

@@ -13,7 +13,7 @@ RUN mkdir -p /assets && mv /work/build/* /assets
 
 
 # Build the PHP container
-FROM php:8.4-fpm-alpine
+FROM php:8.5-fpm-alpine
 
 RUN apk update && \
     apk add --no-cache bash