fix: package.json to reduce vulnerabilities

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

package.json

@@ -54,7 +54,7 @@
     "@opentelemetry/sdk-trace-node": "^1.8.0",
     "@opentelemetry/semantic-conventions": "^1.8.0",
     "body-parser": "~1.20.0",
-    "express": "~4.18.2",
+    "express": "~4.19.2",
     "js-yaml": "^4.1.0",
     "pino": "^8.4.2"
   }