flightctl: flightctl: Package-global go-git HTTPS transport mutated per-repo -- cross-tenant TLS-config bleed

A flaw was found in flightctl. The configureRepoHTTPSClient function in the device-render worker builds a per-repository tls.Config which may include InsecureSkipVerify, a custom CA bundle, or tenant-supplied mTLS client certificates and installs it into go-git's process-global client.Protocols m...