Fix CI script with new mirror URL

vagrant/install_cluster.sh

@@ -2,11 +2,11 @@
 
 set -ex
 
-TOXIPROXY_VERSION=2.0.0
+TOXIPROXY_VERSION=2.1.3
 
 mkdir -p ${KAFKA_INSTALL_ROOT}
 if [ ! -f ${KAFKA_INSTALL_ROOT}/kafka-${KAFKA_VERSION}.tgz ]; then
-    wget --quiet http://apache.mirror.gtcomm.net/kafka/${KAFKA_VERSION}/kafka_2.11-${KAFKA_VERSION}.tgz -O ${KAFKA_INSTALL_ROOT}/kafka-${KAFKA_VERSION}.tgz
+    wget --quiet https://www-us.apache.org/dist/kafka/${KAFKA_VERSION}/kafka_2.11-${KAFKA_VERSION}.tgz -O ${KAFKA_INSTALL_ROOT}/kafka-${KAFKA_VERSION}.tgz
 fi
 if [ ! -f ${KAFKA_INSTALL_ROOT}/toxiproxy-${TOXIPROXY_VERSION} ]; then
     wget --quiet https://github.com/Shopify/toxiproxy/releases/download/v${TOXIPROXY_VERSION}/toxiproxy-server-linux-amd64 -O ${KAFKA_INSTALL_ROOT}/toxiproxy-${TOXIPROXY_VERSION}