fix(deps)!: Update Terraform terraform-google-modules/network/google to v9

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
terraform-google-modules/network/google (source)	module	major	~> 8.0 -> ~> 9.0

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Release Notes

terraform-google-modules/terraform-google-network (terraform-google-modules/network/google)

### [`v9.0.0`](https://togithub.com/terraform-google-modules/terraform-google-network/blob/HEAD/CHANGELOG.md#900-2024-01-03) [Compare Source](https://togithub.com/terraform-google-modules/terraform-google-network/compare/v8.1.0...v9.0.0) ##### ⚠ BREAKING CHANGES - Add dynamic block to define secondary subnets ([#​523](https://togithub.com/terraform-google-modules/terraform-google-network/issues/523)) ##### Features - Add dynamic block to define secondary subnets ([#​523](https://togithub.com/terraform-google-modules/terraform-google-network/issues/523)) ([2adc566](https://togithub.com/terraform-google-modules/terraform-google-network/commit/2adc566aa37d564e9b87b3183cb8195b5fa11958)) ##### Bug Fixes - src_threat_intelligences is missing from the variable object definition. ([#​530](https://togithub.com/terraform-google-modules/terraform-google-network/issues/530)) ([654c366](https://togithub.com/terraform-google-modules/terraform-google-network/commit/654c366349b29b3a78a95fab42bc8cd387d0a7ce))

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/gcbrun