Bump paperless-ngx/paperless-ngx in /projects/paperless

Bumps [paperless-ngx/paperless-ngx](https://github.com/paperless-ngx/paperless-ngx) from 2.20.15 to 3.0.5.
- [Release notes](https://github.com/paperless-ngx/paperless-ngx/releases)
- [Changelog](https://github.com/paperless-ngx/paperless-ngx/blob/dev/docs/changelog.md)
- [Commits](https://github.com/paperless-ngx/paperless-ngx/compare/v2.20.15...v3.0.5)

---
updated-dependencies:
- dependency-name: paperless-ngx/paperless-ngx
  dependency-version: 3.0.5
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

projects/paperless/docker-compose.yml

@@ -1,7 +1,7 @@
 version: '3.8'
 services:
   paperless:
-    image: ghcr.io/paperless-ngx/paperless-ngx:2.20.15
+    image: ghcr.io/paperless-ngx/paperless-ngx:3.0.5
     deploy:
       resources:
         limits: