[DockerImageScanner] Update pipeline

  * ignore mirantis/mirantiseng in existing Jira issues
    with the same image name and tag
  * fix jql with startAt var to include all issues
  * limit NVD API requests just to CVEs
  * add retries and delays to avoid NVD API requests ban
  * re-name nvdApiUri to nvdApiUrl

RE-1147
RE-1148

Change-Id: I12088921de17306d067011c1dfe9e4a439a4aa09
1 file changed