chore(deps): update dependency express to ^4.17.3

Author: renovate-bot

server/package.json

@@ -20,12 +20,12 @@
   },
   "devDependencies": {
     "@sourcegraph/tsconfig": "^4.0.1",
-    "@types/express": "^4.17.11",
+    "@types/express": "4.17.13",
     "@types/humps": "^2.0.0",
     "@types/node": "^14.14.20",
     "@types/stream-to-array": "^2.3.0",
     "@types/tar": "^4.0.4",
-    "express": "^4.17.1"
+    "express": "^4.17.3"
   },
   "dependencies": {
     "codesandbox-import-utils": "^2.2.2",