fix: seasoned_api/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/npm:base64url:20180511
- https://snyk.io/vuln/npm:cryptiles:20180710
- https://snyk.io/vuln/npm:extend:20180424
- https://snyk.io/vuln/npm:stringstream:20180511

seasoned_api/package.json

@@ -18,12 +18,12 @@
     "body-parser": "~1.18.2",
     "cross-env": "~5.1.4",
     "express": "~4.16.0",
-    "jsonwebtoken": "^8.0.1",
+    "jsonwebtoken": "^8.2.0",
     "mongoose": "~5.0.11",
     "km-moviedb": "^0.2.12",
     "node-cache": "^4.1.1",
     "python-shell": "^0.5.0",
-    "request": "^2.85.0",
+    "request": "^2.87.0",
     "request-promise": "^4.2",
     "sqlite3": "^4.0.0"
   },