[ws-manager-mk2] Fix and enable controller tests

[WVerlaek]

Description

• Fix several panics in the mk2 controller test suite
• Upgrade/migrate to ginkgo/v2
  • Fixes deprecation warnings on test runs
• Enable tests on leeway build

Related Issue(s)

Relates to #11416

How to test

Run

cd components/ws-manager-mk2
go test ./...

Release Notes

NONE

Documentation

Build Options:

• /werft with-github-actions
  Experimental feature to run the build with GitHub Actions (and not in Werft).
• leeway-no-cache
  leeway-target=components:all
• /werft no-test
  Run Leeway with --dont-test
• /werft publish-to-npm

Preview Environment Options:

• /werft with-local-preview
  If enabled this will build install/preview
• /werft with-preview
• /werft with-large-vm
• /werft with-gce-vm
  If enabled this will create the environment on GCE infra
• /werft with-integration-tests=all
  Valid options are all, workspace, webapp, ide, jetbrains, vscode, ssh

[WVerlaek]

Had to update dependencies of a number of go modules that depend on ws-manager-api.

Also increased the timeout for envtest starting/stopping the k8s control plane from 20s to 1 minute, because I saw some timeouts when the workspace is under load