Springfox version upgrade to 3.0.0

As reported under critical issue for vulnerability scan

https://nvd.nist.gov/vuln/detail/CVE-2019-17495

@wsmatth @Kateryna_Kurach @Rostislav_Dublin @rvatolin @amaverma @krganesan @kibattul Can u guys please review this MR.

Deploy stage for AWS and GCP integration tests are failing

@ChrisZhang This is MR for sprin-fox vulnerability.

@anujgupta FYI...