Update plugin com.gradleup.shadow to v9.3.0 (#425)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

build.gradle

@@ -2,7 +2,7 @@ plugins {
   id("java-library")
 
   // To create a fat jar build/libs/...-all.jar, run: ./gradlew shadowJar
-  id("com.gradleup.shadow").version("9.2.2")
+  id("com.gradleup.shadow").version("9.3.0")
 
   // Code formatting; defines targets "spotlessApply" and "spotlessCheck"
   // Version 8.0.0 and later requires Java 17+.