fix(JeetySecurity): upgrade Jetty-Server (#1241)
fix(JeetySecurity): upgrade Jetty-Server (#1241)

- upgrade jetty-server to 9.4.39.v20210325, fixng the snyk.io issue.

fix #1240

Co-authored-by: Frédéric Delorme <0afc1923930617de7f0cc3d1cec459f64459e373@versusmind.eu>
perwendel/spark,perwendel/spark,perwendel/spark