Bump scala212 from 2.12.20 to 2.13.15 (#262)

* Bump scala212 from 2.12.20 to 2.13.15

Bumps `scala212` from 2.12.20 to 2.13.15.

Updates `org.scala-lang:scala-library` from 2.12.20 to 2.13.15
- [Release notes](https://github.com/scala/scala/releases)
- [Commits](scala/scala@v2.12.20...v2.13.15)

Updates `org.scala-lang:scala-reflect` from 2.12.20 to 2.13.15
- [Release notes](https://github.com/scala/scala/releases)
- [Commits](scala/scala@v2.12.20...v2.13.15)

---
updated-dependencies:
- dependency-name: org.scala-lang:scala-library
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.scala-lang:scala-reflect
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* fixup.

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: SimY4 <alex.simkin@outlook.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -2,7 +2,7 @@
 errorprone = '2.31.0'
 jackson = '2.17.2'
 scala212 = '2.12.20'
-scala213 = '2.13.14'
+scala213 = '2.13.15'
 scala3 = '3.3.3'
 scalatest = '3.2.19'