build(deps): bump com.gradleup.shadow from 9.3.0 to 9.4.0

Bumps [com.gradleup.shadow](https://github.com/GradleUp/shadow) from 9.3.0 to 9.4.0.
- [Release notes](https://github.com/GradleUp/shadow/releases)
- [Commits](GradleUp/shadow@9.3.0...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]

application/build.gradle

@@ -7,7 +7,7 @@ buildscript {
 plugins {
     id 'application'
     id 'com.google.cloud.tools.jib' version '3.5.0'
-    id 'com.gradleup.shadow' version '9.3.0'
+    id 'com.gradleup.shadow' version '9.4.0'
     id 'database-settings'
 }