Bump maven-jxr-plugin from 3.0.0 to 3.1.1

diff --git a/pom.xml b/pom.xml
index 52d69af..3a81111 100644
--- a/pom.xml
+++ b/pom.xml
@@ -295,7 +295,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-jxr-plugin</artifactId>
-          <version>3.0.0</version>
+          <version>3.1.1</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>