Update dependency com.gradleup.shadow to v9.4.0

Author: renovate[bot]

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 kotlin = { strictly = "2.2.20" }
 dokka = "2.0.0"
-shadow = "9.1.0"
+shadow = "9.4.0"
 coroutines = "1.10.2"
 kotlinio = "0.8.0"