Update scala-library to 2.12.21

[scala-steward]

About this PR

📦 Updates org.scala-lang:scala-library from 2.12.20 to 2.12.21

📜 GitHub Release Notes - Version Diff

Usage

✅ Please merge!

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.

Configure Scala Steward for your repository with a .scala-steward.conf file.

Have a fantastic day writing Scala!

⚙ Adjust future updates

Add this to your .scala-steward.conf file to ignore future updates of this dependency:

updates.ignore = [ { groupId = "org.scala-lang", artifactId = "scala-library" } ]

Or, add this to slow down future updates of this dependency:

dependencyOverrides = [{
  pullRequests = { frequency = "30 days" },
  dependency = { groupId = "org.scala-lang", artifactId = "scala-library" }
}]

^{labels: library-update, early-semver-patch, semver-spec-patch, commit-count:1}

[mergify]

Merge Queue Status

✅ The pull request has been merged at 21cdd0b

This pull request spent 2 minutes 5 seconds in the queue, including 1 minute 57 seconds running CI.
The checks were run on draft #312.

Required conditions to merge

• check-success~=build \(2.13.\d+\)
• check-success~=build \(3.3.\d+\)