[Security] Bump elliptic from 6.5.2 to 6.5.3 in /js

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.2 to 6.5.3. **This update includes a security fix.**
- [Release notes](https://github.com/indutny/elliptic/releases)
- [Commits](https://github.com/indutny/elliptic/compare/v6.5.2...v6.5.3)

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

js/package-lock.json

@@ -3113,9 +3113,9 @@
       "integrity": "sha512-/rG5G7Opcw68/Yrb4qYkz07h3bESVRJjUl4X/FrKLXzoUJleKm6D7K7rTTz8V5LUWnd+BbTOyxJX2XprRqHD8A=="
     },
     "elliptic": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.2.tgz",
-      "integrity": "sha512-f4x70okzZbIQl/NSRLkI/+tteV/9WqL98zx+SQ69KbXxmVrmjwsNUPn/gYJJ0sHvEak24cZgHIPegRePAtA/xw==",
+      "version": "6.5.3",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
+      "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
       "dev": true,
       "requires": {
         "bn.js": "^4.4.0",