Bump express-session from 1.17.2 to 1.18.1

Bumps [express-session](https://github.com/expressjs/session) from 1.17.2 to 1.18.1.
- [Release notes](https://github.com/expressjs/session/releases)
- [Changelog](https://github.com/expressjs/session/blob/master/HISTORY.md)
- [Commits](expressjs/session@v1.17.2...v1.18.1)

---
updated-dependencies:
- dependency-name: express-session
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -10,7 +10,7 @@
   "dependencies": {
     "adapt-authoring-roles": "github:adapt-security/adapt-authoring-roles",
     "adapt-authoring-users": "github:adapt-security/adapt-authoring-users",
-    "express-session": "1.17.2",
+    "express-session": "1.18.1",
     "jsonwebtoken": "9.0.0",
     "path-to-regexp": "^8.0.0"
   },