Add type hints to package

[jaimergp]

Comes from https://github.com/package-url/packageurl-python/pull/186#issuecomment-2960250265

Files

• [X] src/univers/__init__.py
• [X] src/univers/arch.py
• [x] src/univers/conan/__init__.py
• [x] src/univers/conan/errors.py
• [x] src/univers/conan/version_range.py
• [x] src/univers/conan/version.py
• [x] src/univers/debian.py
• [x] src/univers/gem.py
• [x] src/univers/gentoo.py
• [x] src/univers/maven.py
• [x] src/univers/nuget.py
• [x] src/univers/rpm.py
• [x] src/univers/univers_semver.py
• [X] src/univers/utils.py
• [x] src/univers/version_constraint.py
• [x] src/univers/version_range.py
• [X] src/univers/versions.py