Jira Cloud & Server connector client (8.8 Beta)

[danajuratoni]

New Jira connector

New connector client to be released with 8.8 in Beta.
Preliminary date for 8.8 Feature Freeze: Tue, Apr 25 2023

Acceptance criteria

• TDD in GDrive
• QA plan in GDrive
• Code merged in main following the defined PR process
  • [New Connector] Jira connector - On Cloud and Server #527
• Functional tests performed
• Performance test/ reports against the last stable release branch of the connector framework and in Elastic Cloud
  • Performance Stats Report in GDrive
• Connector client documentation in repo
  • [Jira] Documentation for Jira connector #574
• Demo of the connector in latest builds in Elastic Cloud in GDrive
• Ingestion engineer added a comment to this ticket to sign off for Jira
  • Code backported to the correct version
  • Automated tests to 90% coverage
• Regression test suite performed for the release along with QA day for all supported OS in https://www.elastic.co/support/matrix
  • [8.8 QA] Validate connector client Jira (Online & Server) #860

[artem-shelkovnikov]

TODO: test Jira against a real instance before signing off

[sphilipse]

Kibana PR: elastic/kibana#157167

[danajuratoni]

Marking epic as completed.