ci: update golang to 1.25 manually

[medyagh]

• automation was failing in gh action https://github.com/kubernetes/minikube/actions/runs/19513114689/job/55857763176 due to toolchain

1119 19:02:45.638425    3907 update.go:99] Local repo successfully updated
make gomodtidy
make[1]: Entering directory '/home/runner/work/minikube/minikube'
go mod tidy
go: go.mod requires go >= 1.25.0 (running go 1.24.6; GOTOOLCHAIN=go1.24.6)
make[1]: *** [Makefile:908: gomodtidy] Error 1
make[1]: Leaving directory '/home/runner/work/minikube/minikube'
make: *** [Makefile:939: update-golang-version] Error 2
Error: Process completed with exit code 2.

• also made prow to be updated automitcally next time

[k8s-ci-robot]

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[k8s-ci-robot]

@medyagh: 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
integration-docker-crio-linux-x86-64	05c3bd8	link	true	/test integration-docker-crio-linux-x86-64
integration-none-docker-linux-x86-64	05c3bd8	link	true	/test integration-none-docker-linux-x86-64
integration-kvm-containerd-linux-x86-64	05c3bd8	link	true	/test integration-kvm-containerd-linux-x86-64
integration-kvm-crio-linux-x86-64	05c3bd8	link	true	/test integration-kvm-crio-linux-x86-64
integration-docker-containerd-linux-x86-64	05c3bd8	link	true	/test integration-docker-containerd-linux-x86-64

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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