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: Ndependabot[bot] <support@github.com>

package-lock.json

@@ -5669,9 +5669,9 @@
             }
         },
         "elliptic": {
-            "version": "6.5.2",
-            "resolved": "https://registry.npm.taobao.org/elliptic/download/elliptic-6.5.2.tgz",
-            "integrity": "sha1-BcVnjXFzwEnYykM1UiJKSV0ON2I=",
+            "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",