Update ghcr.io/paperless-ngx/paperless-ngx Docker tag to v2.13.4

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
ghcr.io/paperless-ngx/paperless-ngx	patch	2.13.3 -> 2.13.4

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Release Notes

paperless-ngx/paperless-ngx (ghcr.io/paperless-ngx/paperless-ngx)

### [`v2.13.4`](https://redirect.github.com/paperless-ngx/paperless-ngx/releases/tag/v2.13.4): Paperless-ngx v2.13.4 [Compare Source](https://redirect.github.com/paperless-ngx/paperless-ngx/compare/v2.13.3...v2.13.4) #### paperless-ngx 2.13.4 ##### Bug Fixes - Fix: fix dark mode icon blend mode in 2.13.3 [@​shamoon](https://redirect.github.com/shamoon) ([#​8166](https://redirect.github.com/paperless-ngx/paperless-ngx/pull/8166)) - Fix: fix clipped popup preview in 2.13.3 [@​shamoon](https://redirect.github.com/shamoon) ([#​8165](https://redirect.github.com/paperless-ngx/paperless-ngx/pull/8165)) ##### All App Changes

2 changes

- Fix: fix dark mode icon blend mode in 2.13.3 [@​shamoon](https://redirect.github.com/shamoon) ([#​8166](https://redirect.github.com/paperless-ngx/paperless-ngx/pull/8166)) - Fix: fix clipped popup preview in 2.13.3 [@​shamoon](https://redirect.github.com/shamoon) ([#​8165](https://redirect.github.com/paperless-ngx/paperless-ngx/pull/8165))

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