Upgrade k8s.io/* to v0.25, sigs.k8s.io/controller-runtime to v0.13

[shafeeqes]

How to categorize this PR?

/area open-source
/kind enhancement

What this PR does / why we need it:
Upgrade dependencies

• k8s.io/* to v0.25
• sigs.k8s.io/controller-runtime to v0.13

Which issue(s) this PR fixes:
Fixes #6661

Special notes for your reviewer:

Release note:

The following dependency is updated:
- k8s.io/* : v0.24.4 -> v0.25.0
- sigs.k8s.io/controller-runtime: v0.12.3 -> v0.13.0

[rfranzke]

Nice PR, well-structured, easily reviewable. Well done :)
/approve
Waiting for feedback of @acumino

[acumino]

You can adapt similar changes here

gardener/pkg/seedadmissioncontroller/webhooks/admission/extensionresources/admission.go

Line 64 in 7f0e399

if err := builder.WebhookManagedBy(mgr).WithValidator(validator).For(obj).Complete(); err != nil {

[shafeeqes]

@shafeeqes: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name Commit Details Required Rerun command
pull-gardener-check-vulnerabilities 868c507 link false /test pull-gardener-check-vulnerabilities
pull-gardener-integration 868c507 link true /test pull-gardener-integration
Full PR test history. Your PR dashboard. Command help for this repository. Please help us cut down on flakes by linking this test failure to an open flake report or filing a new flake report if you can't find an existing one. Also see our testing guideline for how to avoid and hunt flakes.

Failure is not related to this PR. Opened #6671
/test pull-gardener-integration

[gardener-prow]

@shafeeqes: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-gardener-check-vulnerabilities	c9fc180	link	false	/test pull-gardener-check-vulnerabilities

Full PR test history. Your PR dashboard. Command help for this repository.
Please help us cut down on flakes by linking this test failure to an open flake report or filing a new flake report if you can't find an existing one. Also see our testing guideline for how to avoid and hunt flakes.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. I understand the commands that are listed here.

[acumino]

/lgtm
/approve

[gardener-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: acumino, rfranzke

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• OWNERS [acumino,rfranzke]

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