Bump com.gradleup.shadow from 9.3.0 to 9.3.1

Bumps [com.gradleup.shadow](https://github.com/GradleUp/shadow) from 9.3.0 to 9.3.1.
- [Release notes](https://github.com/GradleUp/shadow/releases)
- [Commits](GradleUp/shadow@9.3.0...9.3.1)

---
updated-dependencies:
- dependency-name: com.gradleup.shadow
  dependency-version: 9.3.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build.gradle

@@ -8,7 +8,7 @@ plugins {
     id 'java'
     id 'jacoco'
     id 'application'
-    id 'com.gradleup.shadow' version '9.3.0'
+    id 'com.gradleup.shadow' version '9.3.1'
 }
 
 group = 'ca.craigthomas'