Bump express version to at least ^4.19.2. (#1624)

* Bump express version to at least ^4.19.2.

Previous express versions are vulnerable to https://nvd.nist.gov/vuln/detail/CVE-2024-29041.

* Add changelog.

* Bump @types/epxress to match bump in express.

* Actually bump @types/express to 4.17.21.

* Formatter

Author: taeold

CHANGELOG.md

@@ -1 +1,2 @@
+- Bump express version to 4.19.2 (#1624)
 - Add support for beforeSmsSent auth blocking triggers. (#1589)