build: Update cookie-sesson to v2

- Also downgrade Passport from 0.6.0 -> 0.5.0
- Incompatability between the two - see details here jaredhanson/passport#904

api.planx.uk/package.json

@@ -9,7 +9,7 @@
     "axios": "^0.27.2",
     "body-parser": "^1.20.0",
     "cookie-parser": "^1.4.6",
-    "cookie-session": "^1.4.0",
+    "cookie-session": "^2.0.0",
     "cors": "^2.8.5",
     "csv-stringify": "^5.6.5",
     "date-fns": "^2.29.1",
@@ -26,7 +26,7 @@
     "mime": "^2.6.0",
     "nanoid": "^3.3.4",
     "notifications-node-client": "^5.1.1",
-    "passport": "^0.6.0",
+    "passport": "^0.5.3",
     "passport-google-oauth20": "^2.0.0",
     "pino-noir": "^2.2.1",
     "string-to-stream": "^3.0.1"