fix: upgrade express from 4.18.2 to 4.21.0

Snyk has created this PR to upgrade express from 4.18.2 to 4.21.0.

See this package in npm:
express

See this project in Snyk:
https://app.snyk.io/org/konstantin.yaroshovets/project/156051c6-dd3e-4c93-8594-efbad8bfd69d?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -65,7 +65,7 @@
     "datatables.net-select": "1.6.0",
     "director": "1.2.8",
     "eonasdan-bootstrap-datetimepicker": "4.17.49",
-    "express": "4.18.2",
+    "express": "4.21.0",
     "facets": "0.1.1",
     "file-saver": "1.3.8",
     "hash-it": "4.1.0",