Update project to project_id in project access settings

[modular-magician]

Fixes: hashicorp/terraform-provider-google#8141

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Release Note Template for Downstream PRs (will be copied)

project: fixed a bug in `google_project_access_approval_settings` where the default `project` was used rather than `project_id`

Derived from GoogleCloudPlatform/magic-modules#4383