REPLACE-WITH-JIRA-KEY: Bump Kubernetes dependencies to v1.36.2

[dfarrell07]

Summary

Bump all k8s.io/* dependencies from v0.35.2 to v0.36.2 (Kubernetes 1.36.2), Go from 1.25.0 to 1.26.0, and controller-runtime from v0.23.3 to v0.24.1.

What changed

• Dependency bump: all k8s.io/*, sigs.k8s.io/controller-runtime, sigs.k8s.io/controller-tools, and transitive dependencies updated
• Go version: 1.25.0 → 1.26.0 (go.mod, Dockerfile, .ci-operator.yaml)
• Codegen: controller-gen annotation updated from v0.20.1 to v0.21.0
• Feature gates: disabled WatchListClient (default-true in k8s 1.36, breaks fake clientsets)
• CRD fix: ASN field format corrected from int32 to int64 (max 4294967295 overflows int32)
• Deprecated API migration: AddToScheme → Install for openshift/api types (operv1, configv1, mcfgv1, machineapi)

Commits

afaff2986 Migrate deprecated AddToScheme to Install for openshift/api types
75298d55a Fix CRD ASN field format from int32 to int64
6f8fb96ee Disable new default-true feature gates for k8s 1.36
3ff05c7aa Update version references for k8s 1.36
86c80828f Update codegen for k8s 1.36
51da95cf8 Rebase k8s-rebase-1.36.2 to k8s 1.36

Commits 51da95c, 86c8082, 3ff05c7 are mechanical (script-generated). Commits 6f8fb96, 75298d5, afaff29 are targeted fixes.

CVE improvements

This rebase fixes 10 HIGH/CRITICAL CVEs in transitive dependencies:

• 1 CRITICAL in google.golang.org/grpc (auth bypass, CVE-2026-33186)
• 1 CRITICAL + 1 HIGH in golang.org/x/net (Punycode validation, HTTP/2 DoS)
• 7 CRITICAL + 2 HIGH in golang.org/x/crypto/ssh (not directly imported)

Verification

• go build ./... — PASS
• go vet ./... — PASS
• golangci-lint run — PASS (0 issues)
• go test ./pkg/... — PASS (all 17 packages)
• Antagonistic review — APPROVE

Notes

• The golang-1.26-openshift-4.22 CI builder image may not exist yet — if CI fails at image pull, the OCP stream in .ci-operator.yaml and Dockerfile may need adjusting
• All commits carry Assisted-by: Claude Code trailers

/cc @openshift/networking

[openshift-merge-bot]

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: dfarrell07
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