Kubernetes tolerations support

[klinux]

Clear and concise description of the problem

We can set the nodeSelector in the Kubernetes Backend, but if node pool has any taint configuration jobs can't be scheduled.

Suggested solution

I think that Kubernetes backend needs to support tolerations in the backend_settings.

Alternative

No response

Additional context

No response

Validations

• Checked that the feature isn't part of the next version already [https://woodpecker-ci.org/faq#which-version-of-woodpecker-should-i-use]
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.

[pat-s]

Jup.

See https://github.com/kubernetes/api/blob/v0.27.1/core/v1/types.go#L3202 and https://github.com/woodpecker-ci/woodpecker/blob/main/pipeline/backend/kubernetes/pod.go#L135.

PR welcome :)

[klinux]

@pat-s thank you I submitted this PR #2249

[zc-devs]

@6543, it can be closed as completed in #2249, I think.