Update submodules to custom git server and release-10.11.z branch

- Change jellyfin-server URL to custom git server
- Change jellyfin-web URL to custom git server
- Update submodules to release-10.11.z branch with custom changes

.gitmodules

@@ -1,9 +1,9 @@
 [submodule "jellyfin-server"]
 	path = jellyfin-server
-	url = https://github.com/jellyfin/jellyfin
+	url = ssh://git@katzencafe.kartoffel.dev:222/admin/jellyfin.git
 [submodule "jellyfin-web"]
 	path = jellyfin-web
-	url = https://github.com/jellyfin/jellyfin-web
+	url = ssh://git@katzencafe.kartoffel.dev:222/admin/jellyfin-web.git
 [submodule "jellyfin-server-windows"]
 	path = jellyfin-server-windows
 	url = https://github.com/jellyfin/jellyfin-server-windows.git