Bump maven-compiler-plugin from 3.8.0 to 3.8.1

Bumps [maven-compiler-plugin](https://github.com/apache/maven-compiler-plugin) from 3.8.0 to 3.8.1.
- [Release notes](https://github.com/apache/maven-compiler-plugin/releases)
- [Commits](apache/maven-compiler-plugin@maven-compiler-plugin-3.8.0...maven-compiler-plugin-3.8.1)

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

pom.xml

@@ -85,7 +85,7 @@
             This compiler plugin version fails in testComple on jdk >= jdk9-ea167:
             https://issues.apache.org/jira/browse/MCOMPILER-294
          -->
-        <maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
+        <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
         <maven-failsafe-plugin.version>2.20.1</maven-failsafe-plugin.version>
         <maven-shade-plugin.version>3.2.1</maven-shade-plugin.version>
         <maven-source-plugin.version>3.0.1</maven-source-plugin.version>