chore(deps): update terraform google to v6.18.1

[playground-manager]

This PR contains the following updates:

Package	Type	Update	Change
google (source)	required_provider	patch	6.18.0 -> 6.18.1

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Release Notes

hashicorp/terraform-provider-google (google)

v6.18.1

Compare Source

BUG FIXES:

• container: fixed a diff caused by server-side set values for node_config.resource_labels (#​21082)

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Configuration

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♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, check this box

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This PR has been generated by Renovate Bot.

[github-actions]

No changes. Your infrastructure matches the configuration.

Terraform has compared your real infrastructure against your configuration
and found no differences, so no changes are needed.

[github-actions]

Build scan published to https://gradle.com/s/6hb3ntfzz2i2u