Bump Go to v1.25.5 and K8s to v1.34.2 and dependent utilities

[hjiawei]

No description provided.

[Copilot]

Pull request overview

This PR updates the Go toolchain from version 1.25.4 to 1.25.5 and Kubernetes from version 1.34.1 to 1.34.2, along with bumping various dependent build utilities and tools to their latest compatible versions.

• Updates Go compiler version and corresponding SHA256 checksums for all supported architectures (amd64, arm64, ppc64le, s390x)
• Bumps Kubernetes and related code generation tools to version 1.34.2
• Updates multiple Go development tools including ginkgo, golang.org/x/tools, protobuf generators, and various other utilities

Reviewed changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

File	Description
images/calico-go-build/versions.yaml	Updates Go version to 1.25.5 with new SHA256 checksums for all architectures and Kubernetes to 1.34.2
images/calico-go-build/Dockerfile	Bumps ARG versions for containerregistry, controller-tools, golangci-lint, mockery, protoc, and yq; updates go install commands for ginkgo, golang.org/x/tools, grpc, protobuf, gotestsum, kube-openapi, and gofumpt
go.mod	Updates go directive to 1.25.5 and golang.org/x/sys indirect dependency to v0.38.0
go.sum	Updates golang.org/x/sys checksum entries to reflect v0.38.0

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[hjiawei]

Builds are green but CodeQL failed to download the latest Go 1.25.5 release archive.