Update scala-library to 2.12.20

Author: scala-steward

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.19]
+        scala: [2.12.20]
         java: [temurin@8, temurin@11, temurin@17, temurin@21]
     runs-on: ${{ matrix.os }}
     steps:

build.sbt

@@ -1,7 +1,7 @@
 // This build is for this Giter8 template.
 // To test the template run `g8` or `g8Test` from the sbt session.
 // See http://www.foundweekends.org/giter8/testing.html#Using+the+Giter8Plugin for more details.
-lazy val scalaVersions = Seq("2.12.19")
+lazy val scalaVersions = Seq("2.12.20")
 lazy val root = project
   .in(file("."))
   .settings(