Bump @types/ws from 6.0.4 to 7.2.0

Bumps [@types/ws](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/ws) from 6.0.4 to 7.2.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/ws)

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

package.json

@@ -21,7 +21,7 @@
   },
   "dependencies": {
     "@types/lodash": "^4.14.136",
-    "@types/ws": "^6.0.3",
+    "@types/ws": "^7.2.0",
     "bignumber.js": "^9.0.0",
     "https-proxy-agent": "^4.0.0",
     "jsonschema": "1.2.2",

yarn.lock

@@ -188,10 +188,10 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-13.1.6.tgz#076028d0b0400be8105b89a0a55550c86684ffec"
   integrity sha512-Jg1F+bmxcpENHP23sVKkNuU3uaxPnsBMW0cLjleiikFKomJQbsn0Cqk2yDvQArqzZN6ABfBkZ0To7pQ8sLdWDg==
 
-"@types/ws@^6.0.3":
-  version "6.0.4"
-  resolved "https://registry.yarnpkg.com/@types/ws/-/ws-6.0.4.tgz#7797707c8acce8f76d8c34b370d4645b70421ff1"
-  integrity sha512-PpPrX7SZW9re6+Ha8ojZG4Se8AZXgf0GK6zmfqEuCsY49LFDNXO3SByp44X3dFEqtB73lkCDAdUazhAjVPiNwg==
+"@types/ws@^7.2.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@types/ws/-/ws-7.2.0.tgz#ed94695be01a77efd590244fc17c3b730e75d88a"
+  integrity sha512-HnqczxiZ828df9FUh9OyY7vSOelpQNaj+SLEnDvU74rYijp61ggV7dhmDlMky0oYXKLdVuIG4KvExk8DEqzJgQ==
   dependencies:
     "@types/node" "*"