Cannot define PipelineRun with only Tasks timeout

[lbernick]

Expected Behavior

I can define a PipelineRun with only a Tasks timeout, and no Pipeline timeout, by using timeouts.tasks = some amount of time and timeouts.pipeline = 0 (which corresponds to no timeout).

Actual Behavior

apiVersion: tekton.dev/v1beta1
kind: PipelineRun
metadata:
  name: my-pipeline-run
spec:
  pipelineRef:
    name: my-pipeline
  timeouts:
    tasks: "1m"
    pipeline: "0"

Error from server (BadRequest): error when creating "timeouts/sleep-pipeline.yaml": admission webhook "validation.webhook.pipeline.tekton.dev" denied the request: validation failed: invalid value: 1m0s should be <= pipeline duration: spec.timeouts.tasks

Additional Info

• Kubernetes version:

  Output of kubectl version:

WARNING: This version information is deprecated and will be replaced with the output from kubectl version --short.  Use --output=yaml|json to get the full version.
Client Version: version.Info{Major:"1", Minor:"24", GitVersion:"v1.24.3", GitCommit:"aef86a93758dc3cb2c658dd9657ab4ad4afc21cb", GitTreeState:"clean", BuildDate:"2022-07-13T14:21:56Z", GoVersion:"go1.18.4", Compiler:"gc", Platform:"darwin/arm64"}
Kustomize Version: v4.5.4
Server Version: version.Info{Major:"1", Minor:"21", GitVersion:"v1.21.13-gke.900", GitCommit:"8f8dd9d389916c66dd26704a96f1ab4c5776f9df", GitTreeState:"clean", BuildDate:"2022-06-06T09:24:36Z", GoVersion:"go1.16.15b7", Compiler:"gc", Platform:"linux/amd64"}
WARNING: version difference between client (1.24) and server (1.21) exceeds the supported minor version skew of +/-1

• Tekton Pipeline version:

Client version: 0.25.0
Pipeline version: devel
Triggers version: v0.20.2