Bump maven-shade-plugin from 3.1.0 to 3.1.1 (#87)

Bumps [maven-shade-plugin](https://github.com/apache/maven-shade-plugin) from 3.1.0 to 3.1.1.
- [Release notes](https://github.com/apache/maven-shade-plugin/releases)
- [Commits](apache/maven-shade-plugin@maven-shade-plugin-3.1.0...maven-shade-plugin-3.1.1)

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

pom.xml

@@ -87,7 +87,7 @@
          -->
         <maven-compiler-plugin.version>3.7.0</maven-compiler-plugin.version>
         <maven-failsafe-plugin.version>2.20.1</maven-failsafe-plugin.version>
-        <maven-shade-plugin.version>3.1.0</maven-shade-plugin.version>
+        <maven-shade-plugin.version>3.1.1</maven-shade-plugin.version>
         <maven-source-plugin.version>3.0.1</maven-source-plugin.version>
         <maven-javadoc-plugin.version>3.0.1</maven-javadoc-plugin.version>
         <maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>