Update scala-compiler, scala-library, ... to 2.13.15

Author: scala-steward

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.13.14]
+        scala: [2.13.15]
         java: [temurin@17, temurin@21]
     runs-on: ${{ matrix.os }}
     steps:
@@ -85,7 +85,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.13.14]
+        scala: [2.13.15]
         java: [temurin@17]
     runs-on: ${{ matrix.os }}
     steps:

project/Commons.scala

@@ -69,7 +69,7 @@ object Commons extends ProjectGroup("commons") {
       Developer("ghik", "Roman Janusz", "[email protected]", url("https://github.com/ghik")),
     ),
 
-    scalaVersion := "2.13.14",
+    scalaVersion := "2.13.15",
     compileOrder := CompileOrder.Mixed,
 
     githubWorkflowTargetTags ++= Seq("v*"),