chore(deps): update dependency scala to v2.13.15 (#3798)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

clients/algoliasearch-client-scala/build.sbt

@@ -1,7 +1,7 @@
 organization := "com.algolia"
 name := "algoliasearch-scala"
 description := "Scala client for Algolia Search API"
-scalaVersion := "2.13.14"
+scalaVersion := "2.13.15"
 crossScalaVersions := Seq("2.13.12", "3.3.1")
 publishMavenStyle := true
 Test / publishArtifact := false