Ditch gVisor installation container DaemonSet

[MrBatschner]

What would you like to be added:

Remove the gVisor installation container and instead use GNA functionality to extract binaries from an OCI image.

This requires:

• pubish only the gVisor binaries in an OCI artefact
• implement the imagevector into the gVisor extension
• modify/add to the the OSC of a gVisor enabled worker pool with

files:
- path: <path to runsc on host>
  permissions: 0755
  content:
    imageref:
      image: <OCI image with gVisor binaries>
      filePathInImage: <path to runsc in OCI image>

• evaluate if the containerd configuration can be injected into GNA through a plugin config in criConfig

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/lifecycle stale

[gardener-ci-robot]

The Gardener project currently lacks enough active contributors to adequately respond to all issues.
This bot triages issues according to the following rules:

• After 90d of inactivity, lifecycle/stale is applied
• After 60d of inactivity since lifecycle/stale was applied, lifecycle/rotten is applied
• After 60d of inactivity since lifecycle/rotten was applied, the issue is closed

You can:

• Mark this issue as active with /lifecycle active
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/lifecycle rotten