Returns the name of the package as recorded in the lock-file.
Note that this might not perse be the normalized name according to the specific ecosystem for the package.
Examples
>>> from rattler import Platform, LockFile
>>> lock_file = LockFile.from_path("../test-data/test.lock")
>>> env = lock_file.default_environment()
>>> lock_package = env.packages(Platform("osx-arm64"))[0]
>>> lock_package.name
'tzdata'
>>>