Bump org.apache.maven:maven-core from 3.0 to 3.8.1

Bumps [org.apache.maven:maven-core](https://github.com/apache/maven) from 3.0 to 3.8.1.
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](apache/maven@maven-3.0...maven-3.8.1)

---
updated-dependencies:
- dependency-name: org.apache.maven:maven-core
  dependency-type: direct:production
...

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

pom.xml

@@ -57,7 +57,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <maven.build.timestamp.format>yyyyMMddhhmm</maven.build.timestamp.format>
-    <maven.version>3.0</maven.version>
+    <maven.version>3.8.1</maven.version>
     <bnd.version>5.3.0</bnd.version>
     <javacpp.platform.root></javacpp.platform.root>
     <javacpp.platform.suffix></javacpp.platform.suffix>