0.33.0.250429

opp_env

• reduced NIX version requirement from 2.9 to 2.8 which is available in debian bookworm or later
• fix #28 "... --add-extra-nix-packages --gcc,gcc should not add duplicates"

Database (Frameworks and Models)

• eclipse_mosaic: added as a new model
• veins: added 5.3.1