chore(deps): update plugin com.gradleup.shadow to v9.4.1

Author: renovate[bot]

settings.gradle.kts

@@ -45,7 +45,7 @@ dependencyResolutionManagement {
             version("mockbukit", "4.107.0")
 
             plugin("pluginYaml", "net.minecrell.plugin-yml.paper").version("0.6.0")
-            plugin("shadow", "com.gradleup.shadow").version("9.3.2")
+            plugin("shadow", "com.gradleup.shadow").version("9.4.1")
             plugin("runServer", "xyz.jpenilla.run-paper").version("3.0.2")