feat!(deps): update terraform terraform-google-modules/network/google to v6

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
terraform-google-modules/network/google (source)	module	major	~> 5.2 -> ~> 6.0

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Release Notes

terraform-google-modules/terraform-google-network

### [`v6.0.0`](https://togithub.com/terraform-google-modules/terraform-google-network/blob/HEAD/CHANGELOG.md#​600-httpsgithubcomterraform-google-modulesterraform-google-networkcomparev520v600-2022-11-21) [Compare Source](https://togithub.com/terraform-google-modules/terraform-google-network/compare/v5.2.0...v6.0.0) ##### ⚠ BREAKING CHANGES - update minimum TPG version to 3.33 for firewall-rules [#​381](https://togithub.com/terraform-google-modules/terraform-google-network/issues/381) - increase subnets module minimum TPG to 2.15 ([#​377](https://togithub.com/terraform-google-modules/terraform-google-network/issues/377)) ##### Bug Fixes - increase subnets module minimum TPG to 2.15 ([#​377](https://togithub.com/terraform-google-modules/terraform-google-network/issues/377)) ([3978cf1](https://togithub.com/terraform-google-modules/terraform-google-network/commit/3978cf1c5d834e158423ce525f6782e4550e1c23)) - update minimum TPG version to 3.33 for firewall-rules [#​381](https://togithub.com/terraform-google-modules/terraform-google-network/issues/381) ([0640fdd](https://togithub.com/terraform-google-modules/terraform-google-network/commit/0640fdd36173d196054135c997f0feba851fb4a3))

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