Update sbt-typelevel, sbt-typelevel-site to 0.4.15

typelevel-steward[bot] · typelevel-steward[bot] · commit fdcba50fe4fd · 2022-10-02T03:01:06.000Z
diff --git a/project/plugins.sbt b/project/plugins.sbt
@@ -1,3 +1,3 @@
-addSbtPlugin("org.typelevel" % "sbt-typelevel"      % "0.4.13")
-addSbtPlugin("org.typelevel" % "sbt-typelevel-site" % "0.4.13")
+addSbtPlugin("org.typelevel" % "sbt-typelevel"      % "0.4.15")
+addSbtPlugin("org.typelevel" % "sbt-typelevel-site" % "0.4.15")
 addSbtPlugin("org.scala-js"  % "sbt-scalajs"        % "1.10.1")
