chore(deps): update kubewarden/github-actions action to v3.1.20

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
kubewarden/github-actions	action	patch	v3.1.19 -> v3.1.20

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Release Notes

kubewarden/github-actions (kubewarden/github-actions)

### [`v3.1.20`](https://togithub.com/kubewarden/github-actions/releases/tag/v3.1.20) [Compare Source](https://togithub.com/kubewarden/github-actions/compare/v3.1.19...v3.1.20) - Default shell is broken on composite actions ([#​120](https://togithub.com/kubewarden/github-actions/issues/120)) - Update setup-kubewarden-cluster action ([#​119](https://togithub.com/kubewarden/github-actions/issues/119)) ##### 🧰 Maintenance - rust policies move to wasm32 wasip1 ([#​122](https://togithub.com/kubewarden/github-actions/issues/122)) - chore: add Kubewarden repository badges. ([#​121](https://togithub.com/kubewarden/github-actions/issues/121)) - chore(deps): update golangci/golangci-lint-action action to v6 ([#​118](https://togithub.com/kubewarden/github-actions/issues/118))

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