[Feat] Detector implementation for Azure API Management Repository key

[abmussani]

Description:

This PR implements a new Detector for Azure API Management via Repository key. Repository Service is GIT based and allows sub-operations like Clone, Push or Pull. The detector looks for repository URL and Password (generated via Azure Portal), and verify the credentials by performing git ls-remote with --quite flag.

Test Output:

$ go test -tags=detectors ./pkg/detectors/azureapimanagement/repositorykey/
ok  	github.com/trufflesecurity/trufflehog/v3/pkg/detectors/azureapimanagement/repositorykey	14.897s

Checklist:

• Tests passing (make test-community)?
• Lint passing (make lint this requires golangci-lint)?