Harden Azure DevOps Git remote validation (#1515)

* Harden Azure DevOps Git remote validation

Canonicalize supported HTTPS and SSH remotes before credentials are acquired or sent, and add regression coverage for parser-confusion attacks.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Fix URI parser lint checks

Keep fail-closed validation branches explicit with narrowly scoped Pylint return-count suppressions.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Fix detected organization build test

Use a valid dev.azure.com organization URL now that connection creation rejects malformed organization values.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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Co-authored-by: Bhavesh Bhati <bhatibhavesh@microsoft.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>