chore(deps): update terraform google-beta to v5.15.0

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
google-beta (source)	required_provider	minor	5.14.0 -> 5.15.0

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Release Notes

hashicorp/terraform-provider-google-beta (google-beta)

v5.15.0

Compare Source

FEATURES:

• New Data Source: google_compute_machine_types (#​6903)
• New Resource: google_blockchain_nodes (#​6897)
• New Resource: google_compute_region_network_endpoint (#​6913)
• New Resource: google_discovery_engine_chat_engine (#​6918)
• New Resource: google_discovery_engine_search_engine (#​6919)
• New Resource: google_netapp_volume_snapshot (#​6914)

IMPROVEMENTS:

• compute: added INTERNET_IP_PORT and INTERNET_FQDN_PORT options for the google_compute_region_network_endpoint_group resource. (#​6913)
• compute: added creation_timestamp to google_compute_instance_group_manager and google_compute_region_instance_group_manager. (#​6904)
• compute: added disk_id attribute to google_compute_disk resource (#​6906)
• compute: added stack_type attribute for google_compute_interconnect_attachment resource. (#​6915)
• compute: updated the google_compute_security_policy resource's json_parsing field to accept the value STANDARD_WITH_GRAPHQL (#​6898)
• memcache: added reserved_ip_range_id field to google_memcache_instance resource (#​6901)
• netapp: added deletion_policy field to google_netapp_volume resource (#​6905)

BUG FIXES:

• alloydb: fixed an issue where database_flags in secondary google_alloydb_instance resources would cause a diff, as they are copied from the primary (#​6910)
• filestore: made google_filestore_instance.source_backup field configurable (#​6899)
• vmwareengine: fixed a bug to prevent recreation of existing google_vmwareengine_private_cloud resources when upgrading provider version from <5.10.0 (#​6911)

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