appliance: bump systemvmtemplate version to 4.20.2

Signed-off-by: Rohit Yadav <[email protected]>

Author: rohityadavcloud

tools/appliance/systemvmtemplate/scripts/configure_systemvm_services.sh

@@ -19,7 +19,7 @@
 set -e
 set -x
 
-CLOUDSTACK_RELEASE=4.20.1
+CLOUDSTACK_RELEASE=4.20.2
 
 function configure_apache2() {
    # Enable ssl, rewrite and auth