Log Message:
Update to 2.13.0

Changelog:
The 2.13.0 release improves Scala in the following areas:

    Collections: Standard library collections have been overhauled
    for simplicity, performance, and safety. This is the centerpiece
    of the release.

    Standard library: Future is faster and more robust. Elsewhere,
    useful classes and methods have been added.

    Language: Literal types, partial unification, by-name implicits,
    more.

    Compiler: 5-10% faster, deterministic output, improved optimizer.