 Update synapse and mediation versions (#1442)
 Update synapse and mediation versions (#1442)

* Update synapse and mediation versions
wso2/product-ei,wso2/product-ei,wso2/product-ei,madhawa-gunasekara/product-ei,madhawa-gunasekara/product-ei,milindaperera/product-ei,milindaperera/product-ei,madhawa-gunasekara/product-ei,milindaperera/product-ei,milindaperera/product-ei,milindaperera/product-ei,wso2/product-ei,wso2/product-ei,madhawa-gunasekara/product-ei,madhawa-gunasekara/product-ei