Bump com.gradleup.shadow:shadow-gradle-plugin from 8.3.3 to 8.3.4 (#281)

Bumps [com.gradleup.shadow:shadow-gradle-plugin](https://github.com/GradleUp/shadow) from 8.3.3 to 8.3.4.
- [Release notes](https://github.com/GradleUp/shadow/releases)
- [Commits](GradleUp/shadow@8.3.3...8.3.4)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

java-cfenv-all/build.gradle

@@ -10,7 +10,7 @@ buildscript {
     }
     dependencies {
         // groupId changed from com.github.johnrengelman to com.gradleup.shadow
-        classpath 'com.gradleup.shadow:shadow-gradle-plugin:8.3.3'
+        classpath 'com.gradleup.shadow:shadow-gradle-plugin:8.3.4'
     }
 }