Update axios for security issue found

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Author: alexellis

npm/package.json

@@ -27,7 +27,7 @@
   },
   "homepage": "https://github.com/openfaas/faas-cli#readme",
   "dependencies": {
-    "axios": "^0.19.0",
+    "axios": "^0.19.2",
     "delete": "^1.1.0",
     "mkdirp": "^0.5.1",
     "mocha": "^6.2.2"