Simplify the branches list

[wallrj]

Ostensibly for consistency with other cert-manager jobs, e.g.

https://github.com/jetstack/testing/blob/d903cb91142155db80ab23b3f36afdae11331aed/config/jobs/cert-manager/csi-lib/cert-manager-csi-lib-presubmits.yaml#L10-L11

But really this is a pointless and hopefully non-breaking change designed to trigger the config-updater plugin to redeploy the job-config.
It failed to do so for #625.

It may even be worse, since the branches are supposed to be a Regexp, but it's not clear from the docs whether they are a regexp match or a search:

• https://github.com/kubernetes/test-infra/blob/master/prow/jobs.md#how-to-configure-new-jobs

[wallrj]

/override pull-testing-check-testgrid-config

[jetstack-bot]

@wallrj: wallrj unauthorized: /override is restricted to Repo administrators.

In response to this:

/override pull-testing-check-testgrid-config

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[BeckyPauley]

/override pull-testing-check-testgrid-config

[jetstack-bot]

@BeckyPauley: Overrode contexts on behalf of BeckyPauley: pull-testing-check-testgrid-config

In response to this:

/override pull-testing-check-testgrid-config

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[irbekrm]

/lgtm

[jetstack-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: irbekrm, wallrj

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Needs approval from an approver in each of these files:

• config/jobs/cert-manager/OWNERS [irbekrm,wallrj]

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[jetstack-bot]

@wallrj: Updated the job-config configmap in namespace default at cluster default using the following files:

• key cert-manager-webhook-example-presubmits.yaml using file config/jobs/cert-manager/webhook-example/cert-manager-webhook-example-presubmits.yaml

In response to this:

Ostensibly for consistency with other cert-manager jobs, e.g.

https://github.com/jetstack/testing/blob/d903cb91142155db80ab23b3f36afdae11331aed/config/jobs/cert-manager/csi-lib/cert-manager-csi-lib-presubmits.yaml#L10-L11

But really this is a pointless and hopefully non-breaking change designed to trigger the config-updater plugin to redeploy the job-config.
It failed to do so for #625.

It may even be worse, since the branches are supposed to be a Regexp, but it's not clear from the docs whether they are a regexp match or a search:

• https://github.com/kubernetes/test-infra/blob/master/prow/jobs.md#how-to-configure-new-jobs

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.