fix(deps): update k8s.io/test-infra digest to 31c62a2

[red-hat-konflux]

This PR contains the following updates:

Package	Type	Update	Change
k8s.io/test-infra	require	digest	34e553b -> 31c62a2

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Warning

Some dependencies could not be looked up. Check the warning logs for more information.

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Configuration

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Documentation

Find out how to configure dependency updates in MintMaker documentation or see all available configuration options in Renovate documentation.

[red-hat-konflux]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: go.sum

Command failed: go get -t ./...
go: downloading k8s.io/test-infra v0.0.0-20251209081932-31c62a22963b
go: downloading github.com/go-logr/logr v1.4.1
go: downloading golang.org/x/sys v0.37.0
go: downloading golang.org/x/text v0.30.0
go: downloading google.golang.org/protobuf v1.33.0
go: downloading golang.org/x/net v0.46.0
go: downloading golang.org/x/crypto v0.43.0
go: github.com/konflux-ci/qe-tools/cmd/prowjob imports
	k8s.io/test-infra/prow/pod-utils/downwardapi: cannot find module providing package k8s.io/test-infra/prow/pod-utils/downwardapi
go: github.com/konflux-ci/qe-tools/pkg/prow imports
	k8s.io/test-infra/prow/apis/prowjobs/v1: cannot find module providing package k8s.io/test-infra/prow/apis/prowjobs/v1