Bump org.scala-lang:scala-library from 2.13.14 to 2.13.15

Bumps [org.scala-lang:scala-library](https://github.com/scala/scala) from 2.13.14 to 2.13.15.
- [Release notes](https://github.com/scala/scala/releases)
- [Commits](scala/scala@v2.13.14...v2.13.15)

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

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -13,7 +13,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.release>11</maven.compiler.release>
         <scala.compat.version>2.13</scala.compat.version>
-        <scala.version>2.13.14</scala.version>
+        <scala.version>2.13.15</scala.version>
         <scalatest.version>3.2.15</scalatest.version>
     </properties>