Bumped versions for October'20 release

Change-Id: I9c37ab9a11d8d8db6cf2604ad0d0c63530f58e1a

Author: bkandasa

VERSION

@@ -1,12 +1,12 @@
-IMAGE_VERSION=1.1.17-cluster
+IMAGE_VERSION=1.1.18-cluster
 declare -A MYSQL_CLUSTER_VERSIONS
-MYSQL_CLUSTER_VERSIONS["7.5"]=7.5.19
-MYSQL_CLUSTER_VERSIONS["7.6"]=7.6.15
-MYSQL_CLUSTER_VERSIONS["8.0"]=8.0.21
+MYSQL_CLUSTER_VERSIONS["7.5"]=7.5.20
+MYSQL_CLUSTER_VERSIONS["7.6"]=7.6.16
+MYSQL_CLUSTER_VERSIONS["8.0"]=8.0.22
 declare -A MYSQL_SHELL_VERSIONS
-MYSQL_SHELL_VERSIONS["7.5"]=8.0.21
-MYSQL_SHELL_VERSIONS["7.6"]=8.0.21
-MYSQL_SHELL_VERSIONS["8.0"]=8.0.21
+MYSQL_SHELL_VERSIONS["7.5"]=8.0.22
+MYSQL_SHELL_VERSIONS["7.6"]=8.0.22
+MYSQL_SHELL_VERSIONS["8.0"]=8.0.22
 
 declare -A SERVER_VERSION_FULL
 SERVER_VERSION_FULL["7.5"]="${MYSQL_CLUSTER_VERSIONS["7.5"]}-${IMAGE_VERSION}"