Bump com.gradleup.shadow from 9.3.2 to 9.4.0

Bumps [com.gradleup.shadow](https://github.com/GradleUp/shadow) from 9.3.2 to 9.4.0.
- [Release notes](https://github.com/GradleUp/shadow/releases)
- [Commits](GradleUp/shadow@9.3.2...9.4.0)

---
updated-dependencies:
- dependency-name: com.gradleup.shadow
  dependency-version: 9.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
-    id("com.gradleup.shadow") version "9.3.2"
+    id("com.gradleup.shadow") version "9.4.0"
     id("com.github.breadmoirai.github-release") version "2.5.2"
     id("com.palantir.git-version") version "5.0.0"
     id("java")