Upgrade DCL to v1.51.0

[modular-magician]

Release Note Template for Downstream PRs (will be copied)

containeraws: added support for `auto_repair` in `container_aws_node_pool`

containerazure: added support for `auto_repair` in `container_azure_node_pool`

networkconnectivity: added support for `linked_vpc_network` in `network_connectivity_spoke`

eventarc: field `event_data_content_type` in `eventarc_trigger` now marked as computed

Derived from GoogleCloudPlatform/magic-modules#8876

[github-actions]

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