fix(git-integration): sync repos to git v2

[mbani01]

This pull request updates the logic for syncing repositories in the integration service and improves the handling of repository deletion in the database. The main changes focus on removing legacy migration logic for inheriting repositories and ensuring that repository records can be marked as deleted.

Repository synchronization logic:

• Removed the inheritFromExistingRepos parameter and related conditional logic from the syncReposToGitV2 method in integrationService.ts, simplifying the process and ensuring new repository entries are always generated with new UUIDs. [1] [2] [3]
• Updated log messages to clarify that new repository entries are inserted when none exist, rather than skipping the sync.

Repository deletion support:

• Modified the upsert logic in gitReposRepository.ts to include the deletedAt field, allowing soft deletion of repository records.

[github-actions]

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