Implement getOutputPath() in the site IT plugin

Maven Reporting API 4.0.0 deprecated getOutputName(); it stays as a delegate
because the interface still declares it abstract.

Author: slachiewicz

its/core-it-support/core-it-plugins/maven-it-plugin-site/src/main/java/org/apache/maven/plugin/coreit/InfoReport.java

@@ -130,7 +130,15 @@ public void generate(Sink sink, Locale locale) throws MavenReportException {
         }
     }
 
+    /**
+     * @deprecated use {@link #getOutputPath()} instead
+     */
+    @Deprecated
     public String getOutputName() {
+        return getOutputPath();
+    }
+
+    public String getOutputPath() {
         return "info";
     }