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:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -5,7 +5,7 @@
     "@discordjs/voice": "^0.16.0",
     "@types/color-thief-node": "^1.0.2",
     "@types/cors": "^2.8.16",
-    "@types/express": "^4.17.17",
+    "@types/express": "^4.17.21",
     "@types/os-utils": "^0.0.1",
     "bluebird": "^3.7.2",
     "bufferutil": "^4.0.8",

yarn.lock

@@ -287,10 +287,10 @@
     "@types/range-parser" "*"
     "@types/send" "*"
 
-"@types/express@^4.17.17":
-  version "4.17.17"
-  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.17.tgz#01d5437f6ef9cfa8668e616e13c2f2ac9a491ae4"
-  integrity sha512-Q4FmmuLGBG58btUnfS1c1r/NQdlp3DMfGDGig8WhfpA2YRUtEkxAjkZb0yvplJGYdF1fsQ81iMDcH24sSCNC/Q==
+"@types/express@^4.17.21":
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.21.tgz#c26d4a151e60efe0084b23dc3369ebc631ed192d"
+  integrity sha512-ejlPM315qwLpaQlQDTjPdsUFSc6ZsP4AN6AlWnogPjQ7CVi7PYF3YVz+CY3jE2pwYf7E/7HlDAN0rV2GxTG0HQ==
   dependencies:
     "@types/body-parser" "*"
     "@types/express-serve-static-core" "^4.17.33"