build(deps-dev): bump @types/express from 4.17.17 to 4.17.21

Bumps [@types/express](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/express) from 4.17.17 to 4.17.21.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/express)

---
updated-dependencies:
- dependency-name: "@types/express"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

apps/backend/package.json

@@ -26,7 +26,7 @@
   },
   "devDependencies": {
     "@types/cors": "^2.8.12",
-    "@types/express": "^4.17.17",
+    "@types/express": "^4.17.21",
     "@types/mime": "^3.0.1",
     "@types/node": "^18.16.0",
     "@types/uuid": "^9.0.1",

yarn.lock

@@ -4225,15 +4225,15 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/express@npm:^4.17.17":
-  version: 4.17.17
-  resolution: "@types/express@npm:4.17.17"
+"@types/express@npm:^4.17.21":
+  version: 4.17.21
+  resolution: "@types/express@npm:4.17.21"
   dependencies:
     "@types/body-parser": "*"
     "@types/express-serve-static-core": ^4.17.33
     "@types/qs": "*"
     "@types/serve-static": "*"
-  checksum: 0196dacc275ac3ce89d7364885cb08e7fb61f53ca101f65886dbf1daf9b7eb05c0943e2e4bbd01b0cc5e50f37e0eea7e4cbe97d0304094411ac73e1b7998f4da
+  checksum: fb238298630370a7392c7abdc80f495ae6c716723e114705d7e3fb67e3850b3859bbfd29391463a3fb8c0b32051847935933d99e719c0478710f8098ee7091c5
   languageName: node
   linkType: hard
 
@@ -5357,7 +5357,7 @@ __metadata:
   resolution: "backend@workspace:apps/backend"
   dependencies:
     "@types/cors": ^2.8.12
-    "@types/express": ^4.17.17
+    "@types/express": ^4.17.21
     "@types/mime": ^3.0.1
     "@types/node": ^18.16.0
     "@types/uuid": ^9.0.1