downgrade gomod to 1.22.1

[medyagh]

Go License doesnt like it

"make generate-licenses" needed for release

/home/jenkins/go/pkg/mod/github.com/klauspost/cpuid@v1.2.0/cpuid_amd64.s
E0115 22:04:16.908003   13843 library.go:117] Package expvar does not have module info. Non go modules projects are no longer supported. For feedback, refer to /~https://github.com/google/go-licenses/issues/128.
E0115 22:04:17.004589   13843 library.go:117] Package runtime/metrics does not have module info. Non go modules projects are no longer supported. For feedback, refer to /~https://github.com/google/go-licenses/issues/128.
E0115 22:04:17.293032   13843 library.go:117] Package database/sql does not have module info. Non go modules projects are no longer supported. For feedback, refer to /~https://github.com/google/go-licenses/issues/128.
W0115 22:04:18.735358   13843 library.go:101] "github.com/aregm/cpuid" contains non-Go code that can't be inspected for further dependencies:
/home/jenkins/go/pkg/mod/github.com/aregm/cpuid@v0.0.0-20181003105527-1a4a6f06a1c6/cpuidlow_amd64.s
F0115 22:04:18.833290   13843 main.go:77] some errors occurred when loading direct and transitive dependency packages
make: *** [Makefile:1272: generate-licenses] Error 1

[k8s-ci-robot]

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This pull-request has been approved by: medyagh

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[k8s-ci-robot]

@medyagh: 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-minikube-build	825bda2	link	true	/test pull-minikube-build

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