This commit updates the version of the paperless-ngx Helm chart
from 0.25.1 to 0.25.2. This change is necessary to ensure that
users are able to utilize the latest features, enhancements,
and bug fixes introduced in the new chart version. The app
version remains at 2.20.0, compatible with Kubernetes
version >=1.28.0-0. No breaking changes are introduced with
this version bump.
