Update apache httpclient (#948)

Author: elharo

pom.xml

@@ -554,7 +554,7 @@
     <project.guava.version>28.2-android</project.guava.version>
     <project.xpp3.version>1.1.4c</project.xpp3.version>
     <project.commons-logging.version>1.2</project.commons-logging.version>
-    <project.httpclient.version>4.5.10</project.httpclient.version>
+    <project.httpclient.version>4.5.11</project.httpclient.version>
     <project.httpcore.version>4.4.13</project.httpcore.version>
     <project.opencensus.version>0.24.0</project.opencensus.version>
     <project.root-directory>..</project.root-directory>