Bump various scripts to Debian 13 (Trixie) (#11093)

ct/fumadocs.sh

@@ -11,7 +11,7 @@ var_cpu="${var_cpu:-2}"
 var_ram="${var_ram:-2048}"
 var_disk="${var_disk:-5}"
 var_os="${var_os:-debian}"
-var_version="${var_version:-12}"
+var_version="${var_version:-13}"
 var_unprivileged="${var_unprivileged:-1}"
 
 header_info "$APP"
@@ -44,7 +44,7 @@ function update_script() {
     exit
   fi
   if ! command -v git &>/dev/null; then
-    $STD apt-get install -y git
+    $STD apt install -y git
   fi
 
   msg_info "Stopping service $SERVICE_NAME"