vpa-admission-controller: Contextify status updates. Add timeout of 10s

[ialidzhikov]

What type of PR is this?

/kind bug

What this PR does / why we need it:

For details, see #6884.

Which issue(s) this PR fixes:

Fixes #6884

Special notes for your reviewer:

Does this PR introduce a user-facing change?

vpa-admission-controller: The lease updates that the vpa-admission-controller performs (that are later on checked by the vpa-updater for healthiness of the vpa-admission-controller) are now executed with a timeout of 10s. 

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[adrianmoisey]

LGTM!

[plkokanov]

Thanks a lot for contextifying this. Just one comment on my side which we could potentially also resolve in this PR.

[ialidzhikov]

[sig-autoscaling] [VPA] [full-vpa] [v1beta2] OOMing pods under VPA [It] have memory requests growing with OOMs
/home/prow/go/src/k8s.io/autoscaler/vertical-pod-autoscaler/e2e/v1beta2/full_vpa.go:163
  [FAILED] Unexpected error:
      <*errors.errorString | 0xc00081aa60>: 
      error waiting for memory request in range of ({{1468006400 0} {<nil>}  BinarySI},{{10485760000 0} {<nil>}  BinarySI}) for pods: {TypeMeta:{Kind: APIVersion:} LabelSelector:name=hamster FieldSelector:status.phase!=Failed,status.phase!=Succeeded Watch:false AllowWatchBookmarks:false ResourceVersion: ResourceVersionMatch: TimeoutSeconds:<nil> Limit:0 Continue: SendInitialEvents:<nil>}
      {
          s: "error waiting for memory request in range of ({{1468006400 0} {<nil>}  BinarySI},{{10485760000 0} {<nil>}  BinarySI}) for pods: {TypeMeta:{Kind: APIVersion:} LabelSelector:name=hamster FieldSelector:status.phase!=Failed,status.phase!=Succeeded Watch:false AllowWatchBookmarks:false ResourceVersion: ResourceVersionMatch: TimeoutSeconds:<nil> Limit:0 Continue: SendInitialEvents:<nil>}",
      }
  occurred
  In [It] at: /home/prow/go/src/k8s.io/autoscaler/vertical-pod-autoscaler/e2e/v1beta2/full_vpa.go:171 @ 07/23/24 08:55:39.616

---

/test pull-kubernetes-e2e-autoscaling-vpa-full

[plkokanov]

lgtm on my side.

[voelzmo]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ialidzhikov, plkokanov, voelzmo

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[adrianmoisey]

/lgtm