Bump jaxb-api from 2.3.0 to 2.3.1 (#49)

Bumps [jaxb-api](https://github.com/javaee/jaxb-spec) from 2.3.0 to 2.3.1.
- [Release notes](https://github.com/javaee/jaxb-spec/releases)
- [Commits](javaee/jaxb-spec@2.3.0...2.3.1)

pom.xml

@@ -644,7 +644,7 @@
                         <dependency>
                             <groupId>javax.xml.bind</groupId>
                             <artifactId>jaxb-api</artifactId>
-                            <version>2.3.0</version>
+                            <version>2.3.1</version>
                         </dependency>
                     </dependencies>
                 </plugin>