Bump elliptic from 6.5.2 to 6.5.3

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.2 to 6.5.3.
- [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[bot] <support@github.com>

package-lock.json

@@ -3122,9 +3122,9 @@
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         },
         "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==",
             "requires": {
                 "bn.js": "^4.4.0",
                 "brorand": "^1.0.1",
@@ -3136,9 +3136,9 @@
             },
             "dependencies": {
                 "bn.js": {
-                    "version": "4.11.8",
-                    "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
-                    "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
+                    "version": "4.11.9",
+                    "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
+                    "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw=="
                 }
             }
         },