Update scala3-library, ... to 3.1.2

[typelevel-steward]

Updates

• org.scala-lang:scala3-library
• org.scala-lang:scala3-library_sjs1

from 3.0.2 to 3.1.2.
GitHub Release Notes - Version Diff - Version Diff

I'll automatically update this PR to resolve conflicts as long as you don't change it yourself.

If you'd like to skip this version, you can just close this PR. If you have any feedback, just mention me in the comments below.

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Ignore future updates

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labels: library-update, early-semver-minor, semver-spec-minor, commit-count:n:2

[armanbilge]

It's time. The point was never to pin to Scala 3.0 specifically because that would be crazy, the point was to start a discussion about long-term compatibility. I'd say that's been accomplished.

Merging this will unblock better compiler warnings and @nowarn, Scala 3 Native, and updates such as Scalacheck 1.16 and Munit 1.0, etc. etc.

[rossabaker]

I've given up on 3.0, and I was probably the most immovable object.

The next fight will be over 3.2 if 3.3 is the first "LTS". Let's hope for clarity on scala/scala-lang#1387 (comment).

[keynmol]

Long overdue. Long may 3.1 reign.

[armanbilge]

Besides the 👍 here, lack of 👎, and much previous discussion elsewhere:

• I'd say we have @johnynek's implicit approval via:
  typelevel/cats-parse#411 (comment)

• The recommendation from the Scala 3 team continues to be "bump"

  So if you are an author of some library - bump the compiler version in the next minor release.

  scala/scala-lang#1387 (comment)