Update scala-library to 2.13.16

Author: scala-steward

.github/workflows/scala.yml

@@ -17,9 +17,9 @@ jobs:
       matrix:
         include:
         - scala: 3.3.0
-        - scala: 2.13.4
+        - scala: 2.13.16
           sbt-args: --addPluginSbtFile=project/plugins.sbt.scalajs06
-        - scala: 2.13.4
+        - scala: 2.13.16
 
     steps:
       - uses: actions/checkout@v3