Bump express-session from 1.16.2 to 1.17.1

Bumps [express-session](https://github.com/expressjs/session) from 1.16.2 to 1.17.1.
- [Release notes](https://github.com/expressjs/session/releases)
- [Changelog](https://github.com/expressjs/session/blob/master/HISTORY.md)
- [Commits](https://github.com/expressjs/session/compare/v1.16.2...v1.17.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -32,7 +32,7 @@
     "debug": "^3.1.0",
     "dotenv": "^8.1.0",
     "express": "^4.14.1",
-    "express-session": "^1.15.1",
+    "express-session": "^1.17.1",
     "google-proto-files": "^1.0.3",
     "graphviz": "0.0.8",
     "grpc": "1.24.4",