Maven pom.xml(deps): Bump org.apache.maven.plugins:maven-javadoc-plug…

…in from 3.7.0 to 3.8.0 (#198)

pom.xml

@@ -21,7 +21,7 @@
         <compiler-plugin.version>3.13.0</compiler-plugin.version>
         <surefire-plugin.version>3.3.1</surefire-plugin.version>
         <maven-source-plugin.version>3.2.1</maven-source-plugin.version>
-        <maven-javadoc-plugin.version>3.7.0</maven-javadoc-plugin.version>
+        <maven-javadoc-plugin.version>3.8.0</maven-javadoc-plugin.version>
         <maven-gpg-plugin.version>3.1.0</maven-gpg-plugin.version>
 
         <license.dir>${basedir}</license.dir>