Merge pull request #93 from apache/dependabot/maven/loggerVersion-2.22.0

Bump loggerVersion from 2.20.0 to 2.22.0
diff --git a/pom.xml b/pom.xml
index 4c0a423..bc72e86 100644
--- a/pom.xml
+++ b/pom.xml
@@ -83,7 +83,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <javaVersion>1.8</javaVersion>
     <httpClientVersion>4.5.14</httpClientVersion>
-    <loggerVersion>2.20.0</loggerVersion>
+    <loggerVersion>2.22.0</loggerVersion>
     <apacheRatVersion>0.15</apacheRatVersion>
     <project.build.outputTimestamp>1</project.build.outputTimestamp>
   </properties>