Update jsoniter-scala-core, ... to 2.13.15 (#901)

Author: scala-steward

project/deps.sc

@@ -52,7 +52,7 @@ object Deps {
   object Versions {
     // jni-utils version may need to be sync-ed when bumping the coursier version
     def coursier      = "2.1.0-M5-18-gfebf9838c"
-    def jsoniterScala = "2.13.13"
+    def jsoniterScala = "2.13.15"
     def scalaMeta     = "4.5.3"
     def scalaNative   = "0.4.4"
     def scalaPackager = "0.1.26"