fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-EXPRESS-6474509

Author: snyk-bot

package.json

@@ -60,7 +60,7 @@
     "crypto-random-string": "3.3.1",
     "cssnano": "^6.0.1",
     "escape-html": "^1.0.3",
-    "express": "^4.18.2",
+    "express": "^4.19.2",
     "express-busboy": "^10.1.0",
     "ffmpeg-static": "^5.2.0",
     "fs-extra": "^11.1.1",