Getting rid of CVes brought in with aerospike (#13819)

CVE-2020-26939
CVE-2015-0886
diff --git a/pom.xml b/pom.xml
index 29a0ae5..d4be6f4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -138,7 +138,7 @@
     <sketches.version>0.8.3</sketches.version>
     <hbc-core.version>2.2.0</hbc-core.version>
     <cassandra-driver-core.version>3.6.0</cassandra-driver-core.version>
-    <aerospike-client.version>4.4.8</aerospike-client.version>
+    <aerospike-client.version>4.4.20</aerospike-client.version>
     <kafka-client.version>2.7.2</kafka-client.version>
     <rabbitmq-client.version>5.1.1</rabbitmq-client.version>
     <aws-sdk.version>1.11.774</aws-sdk.version>