Bump maven-shade-plugin from 3.2.4 to 3.3.0

Bumps [maven-shade-plugin](https://github.com/apache/maven-shade-plugin) from 3.2.4 to 3.3.0.
- [Release notes](https://github.com/apache/maven-shade-plugin/releases)
- [Commits](https://github.com/apache/maven-shade-plugin/compare/maven-shade-plugin-3.2.4...maven-shade-plugin-3.3.0)

---
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>
diff --git a/core/pom.xml b/core/pom.xml
index 705ed99..dfbd8e5 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -59,7 +59,7 @@
         <artifactId>maven-shade-plugin</artifactId>
         <!-- v1.7 is somehow not compatible with commons-parent 25; see
              http://svn.apache.org/viewvc?diff_format=h&view=revision&revision=1350822 -->
-        <version>3.2.4</version>
+        <version>3.3.0</version>
         <configuration>
           <minimizeJar>true</minimizeJar>
           <createDependencyReducedPom>true</createDependencyReducedPom>