feat(integrations): add group integration API endpoints for Jira

mentioned in commit 7f18968f

mentioned in merge request gitlab-org/cli!2519 (merged)

mentioned in merge request gitlab-org/release-tools!4588 (merged)

mentioned in merge request gitlab-com/gl-infra/oncall-robot-assistant!104

mentioned in merge request fforster/epic-update!37 (merged)

mentioned in merge request fforster/gitlab-mcp!195 (merged)

mentioned in merge request gitlab-com/gl-infra/autolabels!122 (merged)

mentioned in merge request gitlab-com/gl-infra/ringctl!385 (merged)

mentioned in merge request gitlab-com/gl-infra/platform/runway/runwayctl!1351 (merged)

mentioned in merge request sickit/token-operator!30

mentioned in merge request gitlab-com/gl-infra/woodhouse!724

mentioned in merge request schober-server/kubernetes/images/gitlab-token-refresher!35