fix: packages/orderbook/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-BRACES-6838727
- https://snyk.io/vuln/SNYK-JS-REQUEST-3361831
- https://snyk.io/vuln/SNYK-JS-TOUGHCOOKIE-5672873
- https://snyk.io/vuln/SNYK-JS-INFLIGHT-6095116
- https://snyk.io/vuln/SNYK-JS-MICROMATCH-6838728
- https://snyk.io/vuln/SNYK-JS-UNSETVALUE-2400660

packages/orderbook/package.json

@@ -37,7 +37,7 @@
         "@types/jest": "^24.0.17",
         "@types/sinon": "^2.2.2",
         "@types/websocket": "^0.0.39",
-        "jest": "^24.8.0",
+        "jest": "^27.0.0",
         "shx": "^0.2.2",
         "sinon": "^4.0.0",
         "ts-jest": "^24.0.2",