Merge pull request #50 from apache/dependabot/maven/org.apache.maven.plugins-maven-javadoc-plugin-3.6.3

Bump org.apache.maven.plugins:maven-javadoc-plugin from 3.5.0 to 3.6.3
diff --git a/pom.xml b/pom.xml
index 2071c8d..7a36b3b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -122,7 +122,7 @@
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-javadoc-plugin</artifactId>
-                     <version>3.5.0</version>
+                     <version>3.6.3</version>
                      <configuration>
                          <attach>true</attach>
                          <source>1.6</source>