* terraform/gcp: Do not create unused subnetworks
By default terraform creates a subnetwork in each 39 regions
* terraform/gcp: Upgrade to latest google provider
... where "one of source_tags, source_ranges, or source_service_accounts must be defined"
* Fix terraform Warning
Version constraints inside provider configuration blocks are deprecated
Terraform 0.13 and earlier allowed provider version constraints inside the
provider configuration block, but that is now deprecated and will be removed
in a future version of Terraform. To silence this warning, move the provider
version constraint into the required_providers block.
* Fix terraform Warning: Quoted references are deprecated
* terraform: Update GCP Ubuntu to latest LTS
This allow to workaround #8375 by using image_command_tool=crictl
when containerd_registries is used for containerd.
Also changes image_info_command_on_localhost for docker to return digests.
Helm v3.5.2 is a security (patch) release. Users are strongly
recommended to update to this release. It fixes two security issues in
upstream dependencies and one security issue in the Helm codebase.
See https://github.com/helm/helm/releases/tag/v3.5.2