Update Prow to v20241108-b21d1cf48

[knative-prow-updater-robot]

Multiple distinct us-docker.pkg.dev/k8s-infra-prow/images/ changes:

Commits	Dates	Images
https://github.com/kubernetes-sigs/prow/compare/f945d434d...b21d1cf48	2024‑10‑29 → 2024‑11‑08	images/branchprotector, images/checkconfig, images/cherrypicker, images/clonerefs, images/config-bootstrapper, images/crier, images/deck, images/entrypoint, images/generic-autobumper, images/ghproxy, images/hook, images/horologium, images/initupload, images/mkpj, images/needs-rebase, images/peribolos, images/prow-controller-manager, images/sidecar, images/sinker, images/status-reconciler, images/tide

No gcr.io/k8s-staging-boskos/ changes.

/cc

[knative-prow[bot]]

@knative-prow-updater-robot: GitHub didn't allow me to request PR reviews from the following users: knative-prow-updater-robot.

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In response to [this](https://github.com/knative/infra/pull/553): >Multiple distinct us-docker.pkg.dev/k8s-infra-prow/images/ changes: > >Commits | Dates | Images >--- | --- | --- >https://github.com/kubernetes-sigs/prow/compare/f945d434d...b21d1cf48 | 2024‑10‑29 → 2024‑11‑08 | images/branchprotector, images/checkconfig, images/cherrypicker, images/clonerefs, images/config-bootstrapper, images/crier, images/deck, images/entrypoint, images/generic-autobumper, images/ghproxy, images/hook, images/horologium, images/initupload, images/mkpj, images/needs-rebase, images/peribolos, images/prow-controller-manager, images/sidecar, images/sinker, images/status-reconciler, images/tide > > >No gcr.io/k8s-staging-boskos/ changes. > > >/cc > > Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository.

[knative-prow[bot]]

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[knative-prow[bot]]

@knative-prow-updater-robot: Updated the following 2 configmaps:

• job-config configmap in namespace default at cluster default using the following files:
  • key autobump-flaky-test-reporter.yaml using file prow/jobs/custom/autobump-flaky-test-reporter.yaml
  • key autobump-prow-tests.yaml using file prow/jobs/custom/autobump-prow-tests.yaml
  • key autobump-prow.yaml using file prow/jobs/custom/autobump-prow.yaml
  • key autodeploy-prow.yaml using file prow/jobs/custom/autodeploy-prow.yaml
  • key branchprotector.yaml using file prow/jobs/custom/branchprotector.yaml
  • key infra.yaml using file prow/jobs/custom/infra.yaml
  • key peribolos.yaml using file prow/jobs/custom/peribolos.yaml
• config configmap in namespace default at cluster default using the following files:
  • key config.yaml using file prow/config.yaml

In response to [this](https://github.com/knative/infra/pull/553): >Multiple distinct us-docker.pkg.dev/k8s-infra-prow/images/ changes: > >Commits | Dates | Images >--- | --- | --- >https://github.com/kubernetes-sigs/prow/compare/f945d434d...b21d1cf48 | 2024‑10‑29 → 2024‑11‑08 | images/branchprotector, images/checkconfig, images/cherrypicker, images/clonerefs, images/config-bootstrapper, images/crier, images/deck, images/entrypoint, images/generic-autobumper, images/ghproxy, images/hook, images/horologium, images/initupload, images/mkpj, images/needs-rebase, images/peribolos, images/prow-controller-manager, images/sidecar, images/sinker, images/status-reconciler, images/tide > > >No gcr.io/k8s-staging-boskos/ changes. > > >/cc > > Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository.