Merge pull request #143 from apache/dependabot/maven/org.revapi-revapi-java-0.28.4

Bump org.revapi:revapi-java from 0.28.3 to 0.28.4

Author: garydgregory

pom.xml

@@ -59,7 +59,7 @@
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>1.8</maven.compiler.target>
     <rng.revapi.version>0.15.1</rng.revapi.version>
-    <rng.revapi.java.version>0.28.3</rng.revapi.java.version>
+    <rng.revapi.java.version>0.28.4</rng.revapi.java.version>
     <!-- MathJax configuration. See the maven-javadoc-plugin plugin. -->
     <rng.mathjax.url>https://commons.apache.org/js/mathjax/tex-mml-chtml.js</rng.mathjax.url>
     <!-- Workaround to avoid duplicating config files. -->