[golang] bump to golang 1.24

[stuggi]

• bump in go.mod (base and api)
• bump go-toolset in Dockerfile
• bump golang version and custom_image in github jobs ('.github/workflows')
• Bump the golangci-lint version in the .pre-commit-config.yaml to v2.4.0
• Bump build_root_image in .ci-operator.yaml to ci-build-root-golang-1.24-sdk-1.31 (if set)

Also bump dependencies for OpenShift 4.18. Update controller-runtime, Kubernetes dependencies, and testing tools to support OpenShift Container Platform 4.18 (Kubernetes 1.31):

• controller-runtime: v0.17.6 → v0.19.7
• Kubernetes core dependencies: v0.29.15 → v0.31.12
  • k8s.io/api: v0.31.12
  • k8s.io/apimachinery: v0.31.12
  • k8s.io/client-go: v0.31.12
  • k8s.io/apiextensions-apiserver: v0.31.12
• k8s.io/utils: v0.0.0-20240711033017 → v0.0.0-20250820121507
• controller-gen: v0.14.0 → v0.18.0
• envtest: 1.29 → 1.31.0, setup-envtest@latest

To test on existing env, or after landed:

• update golang to 1.24
• delete current go.work* files
• init go work files go work init
• Delete tools in bin/ subdir of the repo

Depends-On: openstack-k8s-operators/install_yamls#1082
Depends-On: openstack-k8s-operators/openstack-operator#1567

Jira: OSPRH-12935

[stuggi]

@cschwede should we migrate this to "crypto/rand", or is this not important?

[cschwede]

/test swift-operator-build-deploy-kuttl

[stuggi]

/test swift-operator-build-deploy-kuttl

fyi, we first have to land the openstack-op bump CR before the kuttl tests in the service operators will pass.

[abays]

@stuggi: 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
ci/prow/swift-operator-build-deploy-kuttl 48ddff9 link true /test swift-operator-build-deploy-kuttl

Full PR test history. Your PR dashboard.

{  failed to wait for the created cluster claim to become ready: timed out waiting for the condition}

/test swift-operator-build-deploy-kuttl

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

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