Bump maven-shade-plugin from 3.3.0 to 3.4.0 (closes #38)

Bumps [maven-shade-plugin](https://github.com/apache/maven-shade-plugin) from 3.3.0 to 3.4.0.
- [Release notes](https://github.com/apache/maven-shade-plugin/releases)
- [Commits](https://github.com/apache/maven-shade-plugin/compare/maven-shade-plugin-3.3.0...maven-shade-plugin-3.4.0)

Change-Id: Id5c2760c6cd152b5ca8a5b6ea562911584cfa0fe

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-shade-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Change-Id: I2ea8c0f09ee52e3229f4e6d9fbc90ebee87729a6
diff --git a/pom.xml b/pom.xml
index b3c9ac0..9630cfe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -145,7 +145,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-shade-plugin</artifactId>
-        <version>3.3.0</version>
+        <version>3.4.0</version>
         <configuration>
           <filters>
             <filter>