fix: set delault value of deletion_protection variable to 'true'

Provider's default values are set to true. It should be in `false` for tests.

https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/cloud_run_v2_service#deletion_protection-1

https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/cloud_run_v2_job#deletion_protection-1