Bump @types/express from 4.17.18 to 4.17.19 in /app (#670)

Bumps [@types/express](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/express) from 4.17.18 to 4.17.19.
- [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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

app/yarn.lock

@@ -7655,9 +7655,9 @@
     "@types/send" "*"
 
 "@types/express@*", "@types/express@^4.17.13", "@types/express@^4.17.6":
-  version "4.17.18"
-  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.18.tgz#efabf5c4495c1880df1bdffee604b143b29c4a95"
-  integrity sha512-Sxv8BSLLgsBYmcnGdGjjEjqET2U+AKAdCRODmMiq02FgjwuV75Ut85DRpvFjyw/Mk0vgUOliGRU0UUmuuZHByQ==
+  version "4.17.19"
+  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.19.tgz#6ff9b4851fda132c5d3dcd2f89fdb6a7a0031ced"
+  integrity sha512-UtOfBtzN9OvpZPPbnnYunfjM7XCI4jyk1NvnFhTVz5krYAnW4o5DCoIekvms+8ApqhB4+9wSge1kBijdfTSmfg==
   dependencies:
     "@types/body-parser" "*"
     "@types/express-serve-static-core" "^4.17.33"