Update module cloud.google.com/go to v0.57.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
cloud.google.com/go	require	minor	v0.56.0 -> v0.57.0

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Release Notes

GoogleCloudPlatform/gcloud-golang

v0.57.0

Compare Source

• all:
  • Update module dependency google.golang.org/api to v0.21.0.
• errorreporting:
  • Add exported SetGoogleClientInfo wrappers to manual file.
• expr/v1alpha1:
  • Deprecate client. This client will be removed in a future release.
• internal:
  • Fix possible data race in TestTracer.
  • Pin versions of tools used for generation.
  • Correct the release levels for BigQuery APIs.
  • Start generation osconfig v1.
• longrunning:
  • Add exported SetGoogleClientInfo wrappers to manual file.
• monitoring:
  • Stop generation of monitoring/apiv3 because of incoming breaking change.
• trace:
  • Add exported SetGoogleClientInfo wrappers to manual file.
• Various updates to autogenerated clients.

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