chore(deps): update dependency com.gradleup.shadow:shadow-gradle-plugin to v9.4.0

Author: renovate[bot]

buildSrc/build.gradle.kts

@@ -8,7 +8,7 @@ repositories {
 
 dependencies {
     implementation("com.diffplug.spotless:spotless-plugin-gradle:8.3.0")
-    implementation("com.gradleup.shadow:shadow-gradle-plugin:9.3.2")
+    implementation("com.gradleup.shadow:shadow-gradle-plugin:9.4.0")
     implementation("com.github.spotbugs.snom:spotbugs-gradle-plugin:6.4.8")
     implementation("net.ltgt.errorprone:net.ltgt.errorprone.gradle.plugin:5.1.0")
     implementation("org.openrewrite:plugin:7.28.1")