Merge pull request #957 from Banno/update/scala-library-2.13.16

Update scala-library to 2.13.16

Author: rossabaker

build.sbt

@@ -3,7 +3,7 @@ import laika.helium.config.HeliumIcon
 import laika.helium.config.IconLink
 import org.typelevel.sbt.site.GenericSiteSettings
 
-ThisBuild / scalaVersion := "2.13.15"
+ThisBuild / scalaVersion := "2.13.16"
 ThisBuild / crossScalaVersions := List(scalaVersion.value)
 ThisBuild / tlBaseVersion := "6.1"
 ThisBuild / githubWorkflowJavaVersions := Seq(JavaSpec.temurin("11"))