chore: update Nextcloud to 33.0.6

Dockerfile

@@ -1,7 +1,7 @@
 # -------------- Build-time variables --------------
-ARG NEXTCLOUD_VERSION=34.0.0
+ARG NEXTCLOUD_VERSION=33.0.6
 ARG PHP_VERSION=8.4
-ARG NGINX_VERSION=1.30
+ARG NGINX_VERSION=1.28
 
 ARG ALPINE_VERSION=3.23
 ARG HARDENED_MALLOC_VERSION=14
@@ -10,8 +10,8 @@ ARG SNUFFLEUPAGUS_VERSION=0.13.0
 ARG UID=1000
 ARG GID=1000
 
-# nextcloud-34.0.0.tar.bz2
+# nextcloud-33.0.6.tar.bz2
-ARG SHA256_SUM="36c557cedc2a1a12cd68cffe535f21350a02cbd4ff60dd7a9dae3959c7873be4"
+ARG SHA256_SUM="791821a55029944de04319cfcafcac4ae8e7ef56b4cd1efc2631bf30b79d16de"
 
 # Nextcloud Security <security@nextcloud.com> (D75899B9A724937A)
 ARG GPG_FINGERPRINT="2880 6A87 8AE4 23A2 8372  792E D758 99B9 A724 937A"