Upgrade dependencies to fix security vulns (#242)

* Bump elliptic from 6.5.3 to 6.5.4

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.3 to 6.5.4.
- [Release notes](https://github.com/indutny/elliptic/releases)
- [Commits](indutny/elliptic@v6.5.3...v6.5.4)

Signed-off-by: dependabot[bot] <[email protected]>

* Bump ini from 1.3.5 to 1.3.8

Bumps [ini](https://github.com/isaacs/ini) from 1.3.5 to 1.3.8.
- [Release notes](https://github.com/isaacs/ini/releases)
- [Commits](npm/ini@v1.3.5...v1.3.8)

Signed-off-by: dependabot[bot] <[email protected]>

* Bump socket.io from 2.3.0 to 2.4.1

Bumps [socket.io](https://github.com/socketio/socket.io) from 2.3.0 to 2.4.1.
- [Release notes](https://github.com/socketio/socket.io/releases)
- [Changelog](https://github.com/socketio/socket.io/blob/2.4.1/CHANGELOG.md)
- [Commits](socketio/socket.io@2.3.0...2.4.1)

Signed-off-by: dependabot[bot] <[email protected]>

* Pin debug to version 2.6.9 for component-cookie

* Bump Elliptic

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: Julio Farah

package.json

@@ -131,6 +131,7 @@
     "browserify": "16.5.2",
     "lodash": "4.17.20",
     "node-fetch": "2.6.1",
-    "elliptic": "^6.5.3"
+    "elliptic": "^6.5.4",
+    "component-cookie/debug": "2.6.9"
   }
 }