development-dependency: bump hashicorp/kubernetes from 2.5.1 to 2.6.0 in /terraform

Can't show this merge request because the source branch dependabot-terraform-terraform-hashicorp-kubernetes-2.6.0 is missing from project georgekoltsov-multiple-projects-test-4/imported-project-ef029319134ab099. Close this merge request or update the source branch.