fix(azuredevops): add missing migrations for Job model fields from #8671

[magiskboy]

Summary

Fixes a schema mismatch introduced by #8671 where the Azure DevOps Python plugin's Job model gained identifier, type, and parent_id fields, and GitRepositoryConfig gained environment_pattern, but no database migrations were added.

This caused the Convert Jobs subtask to fail on MySQL with:

Unknown column '_tool_azuredevops_jobs.identifier' in 'field list'

Affected releases: v1.0.3-beta9 through v1.0.3-beta12.

Changes

• Add migration 20251231120000 to add identifier, type, and parent_id columns to _tool_azuredevops_jobs
• Add migration 20251231120001 to add environment_pattern column to _tool_azuredevops_gitrepositoryconfigs

Uses add_column operations which skip columns that already exist (safe for users who applied manual SQL workarounds).

Test plan

• Start DevLake with an existing DB missing these columns and confirm migrations run on startup
• Run Azure DevOps pipeline collect including Convert Jobs — should complete without SQL errors
• Verify fresh install also gets columns via migrations (init schema + new migrations)
• Confirm scope config with environment_pattern can be saved after migration

Made with Cursor

[magiskboy]

Closing — developing this fix independently on magiskboy/devlake fork.