Update Node.js to v22 (#706)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [code.forgejo.org/oci/node](https://hub.docker.com/_/node) ([source](https://github.com/nodejs/docker-node)) | container | major | `20-bookworm` -> `22-bookworm` |

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### Configuration

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Reviewed-on: https://code.forgejo.org/forgejo/runner/pulls/706
Co-authored-by: Renovate Bot <bot@kriese.eu>
Co-committed-by: Renovate Bot <bot@kriese.eu>

.forgejo/workflows/cascade-setup-forgejo.yml

@@ -12,7 +12,7 @@ jobs:
   cascade:
     runs-on: docker
     container:
-      image: 'code.forgejo.org/oci/node:20-bookworm'
+      image: 'code.forgejo.org/oci/node:22-bookworm'
     if: >
       ! contains(forge.event.pull_request.title, '[skip cascade]')
     steps: