chore(deps): upgrade twilio-run to 2.8.0

Author: dkundel

packages/plugin-serverless/package.json

@@ -11,7 +11,7 @@
     "create-twilio-function": "^2.3.0",
     "lodash.camelcase": "^4.3.0",
     "lodash.kebabcase": "^4.1.1",
-    "twilio-run": "^2.6.0"
+    "twilio-run": "^2.8.0"
   },
   "devDependencies": {
     "@oclif/dev-cli": "^1.22.2",