Update request: paperless-ngx 2.11.4 → 2.11.6

[poperigby]

• Package name: paperless-ngx
• Latest released version: 2.11.6
• Current version on the unstable channel: 2.11.4
• Current version on the stable/release channel: 2.10.2
• [x] Checked the nixpkgs pull requests

Notify maintainers @lukegb @gador @erikarvstedt @leona-ya

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Add a :+1: reaction to issues you find important.

[gador]

See #336797