Update synapse and mediation dependency versions
Update synapse and mediation dependency versions

wso2/product-ei,milindaperera/product-ei,milindaperera/product-ei,milindaperera/product-ei,wso2/product-ei,wso2/product-ei,milindaperera/product-ei,milindaperera/product-ei,wso2/product-ei,wso2/product-ei