x2a: add MCP related plugins #7226

Job	Run time
Parse PR Comment	5s
Prepare	6s
add_error_comment	0s
Publish PR / Prepare PR data	5s
Update commit on PR from automatic discovery	0s
Update versions on PR from release branch	0s
add_update_versions_completion_comment	0s
add_no_workspace_comment	0s
add_update_commit_completion_comment	0s
Publish PR / Check versions.json is up-to-date	6s
Publish PR / Detect change scope	5s
Publish PR / Publish PR Dynamic Plugin Images / Prepare	5s
Publish PR / Check workspace backstage compatibility / Check	9s
Publish PR / Validate metadata (metadata-only change)	-1s
Publish PR / Publish PR Dynamic Plugin Images / Export workspaces/x2a / Export	6m 10s
Publish PR / add-completion-comment	5s
Trigger Smoke Tests	6s
	7m 1s

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