Update to 2.0.1

Changelog:

• Bump PPrint to 0.5.7, FastParse to 2.2.2, uPickle to 0.9.6, Requests to 0.4.7
• Fix @main method handling in scripts run via --class-based
• Bump OS-Lib, uPickle and Requests-Scala versions, for compatibility with the geny.Writable interface

PR: 242956
Submitted by: Jens Grassel <freebsd-ports@jan0sch.de> (maintainer)
Sponsored by: Netzkommune GmbH