feat(tf): update terraform terraform-google-modules/kubernetes-engine/google to ~> 31.1.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
terraform-google-modules/kubernetes-engine/google (source)	module	minor	~> 31.0.0 -> ~> 31.1.0

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Release Notes

terraform-google-modules/terraform-google-kubernetes-engine (terraform-google-modules/kubernetes-engine/google)

v31.1.0

Compare Source

Features

• Add enable_cilium_clusterwide_network_policy support (#​1972) (72cf873)
• Add enable_l4_ilb_subsetting for autopilot clusters (#​1969) (c48dc6e)
• add pod_pids_limit for kubelet_config in all modules, example and autogen (#​1922) (eec38a2)
• Adding extra permissions to the cluster's default service account (#​1943) (4fab404)
• Set boot_disk_kms_key cluster wide and for cluster_autoscaling (#​1959) (654868e)

Bug Fixes

• avoid auto_provisioning_defaults drift (#​1806) (0005ab9)
• firewall rules for autopilot clusters are ineffective. add cluster_network_tag to autopilot cluster network_tags if firewalls are toggled on (#​1817) (e7b20cd)
• Fix the value of output "identity_service_enabled" in beta modules (#​1982) (a6210fc)

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