[wsman-mk2] Use mk2 tls certificates for server and bridge

[Furisto]

Description

When we do a full installation of Gitpod (i.e. webapp and workspace components all within the same cluster) and ws-manager-mk2 is specified use the ws-manager-mk2 secret instead of the mk1 secret (mk1 will not exist).

Related Issue(s)

Fixes WKS-105

How to test

• Use https://github.com/gitpod-io/workspace-preview to create a VM with a full installation of Gitpod. Make sure you have enabled mk2
• All components should get ready. None should get stuck because secrets cannot be mounted
• Start workspace

Build Options:

• /werft with-werft
  Run the build with werft instead of GHA
• leeway-no-cache
• /werft no-test
  Run Leeway with --dont-test

Publish Options

• /werft publish-to-npm
• /werft publish-to-jb-marketplace

Installer Options

• analytics=segment
• with-dedicated-emulation
• with-ws-manager-mk2
• workspace-feature-flags
  Add desired feature flags to the end of the line above, space separated

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
• with-integration-tests=all
  Valid options are all, workspace, webapp, ide, jetbrains, vscode, ssh

/hold

[geropl]

Code LGTM