build: bump nginxproxy/docker-gen from 0.11.2-debian to 0.12.0-debian
Bumps nginxproxy/docker-gen from 0.11.2-debian to 0.12.0-debian.
---
updated-dependencies:
- dependency-name: nginxproxy/docker-gen
dependency-type: direct:production
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>