config: remove master branch references for k/k8s.io

[nikhita]

Ref: kubernetes/k8s.io#1597
Follow up to #20675

The repo has been migrated to use the main branch as default.

/assign @spiffxp
cc @mrbobbytables

[dims]

/approve
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dims, nikhita

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• config/OWNERS [dims]
• config/jobs/image-pushing/OWNERS [dims]
• config/jobs/kubernetes/wg-k8s-infra/trusted/OWNERS [dims]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[k8s-ci-robot]

@nikhita: Updated the following 2 configmaps:

• job-config configmap in namespace default at cluster test-infra-trusted using the following files:
  • key k8s-staging-infra-tools.yaml using file config/jobs/image-pushing/k8s-staging-infra-tools.yaml
  • key container-image-promoter.yaml using file config/jobs/kubernetes/sig-release/cip/container-image-promoter.yaml
  • key k8sio-presubmit.yaml using file config/jobs/kubernetes/wg-k8s-infra/k8sio-presubmit.yaml
  • key releng-trusted.yaml using file config/jobs/kubernetes/wg-k8s-infra/trusted/releng/releng-trusted.yaml
  • key wg-k8s-infra-trusted.yaml using file config/jobs/kubernetes/wg-k8s-infra/trusted/wg-k8s-infra-trusted.yaml
• plugins configmap in namespace default at cluster test-infra-trusted using the following files:
  • key plugins.yaml using file config/prow/plugins.yaml

In response to this:

Ref: kubernetes/k8s.io#1597
Follow up to #20675

The repo has been migrated to use the main branch as default.

/assign @spiffxp
cc @mrbobbytables

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.