vendor: update all dependencies

vendor/github.com/aws/aws-sdk-go/cleanup_models.sh

@@ -0,0 +1,9 @@
+#/usr/bin/env bash
+
+# Deletes all but the most current model version.
+for v in $(ls ./models/apis | grep -v '.go' ); do
+	for vm in $(ls -r models/apis/$v/ | sed -n '1!p' ); do
+		echo "rm -r models/apis/$v/$vm"
+		rm -r models/apis/$v/$vm
+	done
+done