Fix: upgrade jackson and swagger version (#2006)
Fix: upgrade jackson and swagger version (#2006)

* jackson to 2.12.1 due to CVE-2020-25649
  * swagger to 1.6.4 due to compatibility for jackson

yma88/indy,yma88/indy,ruhan1/indy,Commonjava/indy,ligangty/indy,yma88/indy,ruhan1/indy,yma88/indy,yma88/indy,ruhan1/indy,ligangty/indy,Commonjava/indy,Commonjava/indy,ligangty/indy,yma88/indy,ligangty/indy,Commonjava/indy,ruhan1/indy,Commonjava/indy,Commonjava/indy,ruhan1/indy,ligangty/indy,ligangty/indy,ruhan1/indy