Update scala-library to 2.13.12

Author: scala-steward

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.13.8, 2.12.16]
+        scala: [2.13.12, 2.12.16]
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:

build.sbt

@@ -3,7 +3,7 @@ val username = "RustedBones"
 val repo     = "akka-http-scalapb"
 
 // for sbt-github-actions
-ThisBuild / crossScalaVersions := Seq("2.13.8", "2.12.16")
+ThisBuild / crossScalaVersions := Seq("2.13.12", "2.12.16")
 ThisBuild / scalaVersion := crossScalaVersions.value.head
 ThisBuild / githubWorkflowBuild := Seq(
   WorkflowStep.Sbt(name = Some("Check project"), commands = List("scalafmtCheckAll", "headerCheckAll")),