fix: contracts/broker/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-ANSIREGEX-1583908
- https://snyk.io/vuln/SNYK-JS-INFLIGHT-6095116
- https://snyk.io/vuln/SNYK-JS-MINIMATCH-3050818
- https://snyk.io/vuln/SNYK-JS-MOCHA-2863123
- https://snyk.io/vuln/SNYK-JS-SEMVER-3247795
- https://snyk.io/vuln/npm:debug:20170905

contracts/broker/package.json

@@ -74,17 +74,17 @@
         "dirty-chai": "^2.0.1",
         "lodash": "^4.17.11",
         "make-promises-safe": "^1.1.0",
-        "mocha": "^6.2.0",
+        "mocha": "^10.1.0",
         "npm-run-all": "^4.1.2",
         "shx": "^0.2.2",
-        "solhint": "^1.4.1",
+        "solhint": "^3.4.0",
         "truffle": "^5.0.32",
-        "tslint": "5.11.0",
-        "typedoc": "^0.15.0",
+        "tslint": "5.16.0",
+        "typedoc": "^0.21.0",
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^6.2.3",
+        "@0x/base-contract": "^7.0.0",
         "@0x/order-utils": "^10.3.0",
         "@0x/typescript-typings": "^5.1.1",
         "@0x/utils": "^5.5.1",