Bump express-fileupload from 1.1.7-alpha.4 to 1.1.9 in /server

Bumps [express-fileupload](https://github.com/richardgirges/express-fileupload) from 1.1.7-alpha.4 to 1.1.9.
- [Release notes](https://github.com/richardgirges/express-fileupload/releases)
- [Commits](https://github.com/richardgirges/express-fileupload/compare/1.1.7-alpha.4...1.1.9)

Signed-off-by: dependabot[bot] <support@github.com>

server/package-lock.json

@@ -517,9 +517,9 @@
       }
     },
     "express-fileupload": {
-      "version": "1.1.7-alpha.4",
-      "resolved": "https://registry.npmjs.org/express-fileupload/-/express-fileupload-1.1.7-alpha.4.tgz",
-      "integrity": "sha512-uNl/TB3adUH25cDRp1gDoXQ38SdIZXOAVzC54G/xnOAa4M3maBWiZTVz39cnoQ7TXhmYXYpnOfMDMbqSelXFmQ==",
+      "version": "1.1.9",
+      "resolved": "https://registry.npmjs.org/express-fileupload/-/express-fileupload-1.1.9.tgz",
+      "integrity": "sha512-f2w0aoe7lj3NeD8a4MXmYQsqir3Z66I08l9AKq04QbFUAjeZNmPwTlR5Lx2NGwSu/PslsAjGC38MWzo5tTjoBg==",
       "requires": {
         "busboy": "^0.3.1"
       }