replace beta version with stable

Author: andreiio

8.4/Dockerfile

@@ -1,6 +1,4 @@
-# TODO: replace when stable is released
-# beta-8.4-fpm-nginx-alpine
-FROM serversideup/php@sha256:885f3ef31d193ee67e03863d50a349a0ce2c31cd74eb42c79f7a37e7a6918120
+FROM serversideup/php:8.4-fpm-nginx-alpine
 
 COPY --chmod=755 common/etc/entrypoint.d /etc/entrypoint.d
 COPY --chmod=755 --chown=www-data:www-data common/etc/nginx /etc/nginx