* update the description of ExportArtifact
* add Fingerprint to Artifact Registry Version resource
* auto-enable mTLS when supported certificates are detected
* check Python and dependency versions in generated GAPICs
- from version 1.18.0
* A comment for enum value `ENABLEMENT_CONFIG_UNSPECIFIED` in enum `EnablementConfig` is changed
* A comment for field `name` in message `.google.devtools.artifactregistry.v1.DockerImage` is changed
* A comment for field `satisfies_pzs` in message `.google.devtools.artifactregistry.v1.Repository` is changed
* A comment for field `satisfies_pzi` in message `.google.devtools.artifactregistry.v1.Repository` is changed
* add ExportArtifact API
* add artifact_type field in DockerImage
* add image_manifest field in DockerImage
* add Ruby format in VulnerabilityScanningConfig
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python:google/python-google-cloud-artifact-registry?expand=0&rev=15
