release linkouts-1.2.0 including trait (gwas and qtl_study) linkouts

[adf-ncgr]

• [x] Create a branch for the release
• [x] Update the dependencies. consider using pip-compile
• [x] Update the GHCR image tag in compose.prod.yml to the imminent release version
• [x] Bump the "version" number in __init.py__ or relevant file
• [x] Open a PR that merges the release branch into main.
• [x] Merge the release PR after it passes testing and review.
• [x] Tag a corresponding release on GitHub. This will trigger an automated Docker image build on GitHub. If the build succeeds it will be automatically published to GHCR. See wiki for details on tagging

[adf-ncgr]

released