Update scala-library from 2.12.15 to 2.12.16 (#935)

* Update scala-library from 2.12.15 to 2.12.16

* fix: Upgrade semanticdb version

Co-authored-by: Scala Steward <[email protected]>

Author: jakubjanecek

project/BuildSettings.scala

@@ -13,7 +13,7 @@ object BuildSettings {
 
   private def isScala3(scalaVersion: String): Boolean = CrossVersion.partialVersion(scalaVersion).exists(_._1 == 3)
 
-  private val scala212 = "2.12.15"
+  private val scala212 = "2.12.16"
   private val scala213 = "2.13.8"
   private val scala3 = "3.1.1"
 
@@ -42,7 +42,7 @@ object BuildSettings {
       Dependencies.scalaTest % Test
     ),
     semanticdbEnabled := true,
-    semanticdbVersion := scalafixSemanticdb.revision,
+    semanticdbVersion := "4.5.9", // scalafixSemanticdb.revision,
     ThisBuild / scalafixDependencies ++= Seq(
       Dependencies.scalafixScaluzzi,
       Dependencies.scalafixOrganizeImports