Update jsoniter-scala-core_2.13 to 2.15.0 (#1246)

Author: scala-steward

project/deps.sc

@@ -58,7 +58,7 @@ object Deps {
     // jni-utils version may need to be sync-ed when bumping the coursier version
     def coursier      = "2.1.0-M6-49-gff26f8e39"
     def coursierCli   = "2.1.0-M5-18-gfebf9838c"
-    def jsoniterScala = "2.14.2"
+    def jsoniterScala = "2.15.0"
     def scalaMeta     = "4.5.12"
     def scalaNative   = "0.4.5"
     def scalaPackager = "0.1.26"