Update scala3-library to 3.7.3

Author: scala-steward

project/Dependencies.scala

@@ -9,7 +9,7 @@ object Dependencies {
   val scala211 = "2.11.12"
   val scala212 = "2.12.20"
   val scala213 = "2.13.16"
-  val scala3 = "3.7.2"
+  val scala3 = "3.7.3"
   val scala3ForBridge = "3.3.4"
   val scala213ForBridge = "2.13.16"
   val defaultScalaVersion = scala3