build: upgrade dependencies

Author: mattlewis92

package-lock.json

@@ -85,12 +85,12 @@
     "@types/mocha": "^5.2.7",
     "@types/moment-timezone": "^0.5.12",
     "@types/node": "^12.7.8",
-    "@types/sinon": "^7.0.13",
+    "@types/sinon": "^7.5.0",
     "@types/sinon-chai": "^3.2.3",
     "angular-cli-ghpages": "^0.5.3",
     "angulartics2": "^8.1.0",
     "angularx-flatpickr": "^6.1.1",
-    "autoprefixer": "^9.6.1",
+    "autoprefixer": "^9.6.4",
     "bootstrap-css-only": "^4.3.1",
     "chai": "^4.2.0",
     "codecov": "^3.6.1",