Merge pull request #16 from CSC-510/greenkeeper/botkit-4.5.0

fix(package): update botkit to version 4.5.0

Author: chrisparnin

package.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "chai": "^4.1.2",
     "mocha": "^6.0.0",
-    "botkit": "^0.7.0",
+    "botkit": "^4.5.0",
     "forecast.io": "0.0.11",
     "slackbots": "^1.1.0"
   },