Update quay.io/jimsihk/alpine-php-nginx Docker tag to v83.13.3 (#413)

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

Dockerfile

@@ -1,5 +1,5 @@
 ARG ARCH=quay.io/
-FROM ${ARCH}jimsihk/alpine-php-nginx:83.13.2
+FROM ${ARCH}jimsihk/alpine-php-nginx:83.13.3
 
 LABEL Description="Lightweight Moodle container with NGINX & PHP-FPM based on Alpine Linux." \
       Maintainer="[email protected]"