Update nextcloud-for-mailcow-dockerized.conf

fixes

scripts/nextcloud-for-mailcow-dockerized.conf

@@ -19,14 +19,14 @@ server {
     }
 
     location / {
-        proxy_pass https://nc.sysops.de;
+        proxy_pass https://cloud.domain.tld;
 
         # Hostname & Forwarded-Header sauber durchreichen
         proxy_set_header Host 192.168.178.253;        # explizit der Upstream-Name
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto https;  # TLS endet hier
-        proxy_set_header X-Forwarded-Host $host;   # also cloud.sysops.de
+        proxy_set_header X-Forwarded-Host $host;   # also cloud.domain.tld
         proxy_set_header X-Forwarded-Port 443;
         proxy_set_header Forwarded "for=$remote_addr;proto=https;host=$host";
         proxy_set_header Referrer-Policy "no-referrer";