Jumpserver: point the engine at DevScripts

The header lacked _CS_DEFAULT_URL, so a curl-started run looked for install/jumpserver-install.sh in ProxmoxVE and stopped with exit 115.

Author: MickLesk

ct/jumpserver.sh

@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/DevScripts/main"
 _cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
 source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")