SIG testing: define test-infra job for local-up.sh

[pohly]

https://github.com/kubernetes/test-infra/pull/36028 broke https://testgrid.k8s.io/conformance-all#local-up-cluster,%20master%20(dev) and https://testgrid.k8s.io/sig-node-dynamic-resource-allocation#ci-dra-integration (both using local-up-cluster.sh).

Instead of merging an image bump blindly and hoping that it goes well, let's do at least some trial runs with jobs that will be affected by an image bump. The new pull-test-infra-local-e2e is such a job. It gets triggered by edits to the job file (like image bumps) and is optional (can be ignored if the normal job is unstable).

/assign @upodroid

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[pohly]

/hold

Might be better done as a canary in https://testgrid.k8s.io/sig-testing-canaries.