chore(deps): update dependency mocha to v7 (#386)

Author: renovate-bot

compute/package.json

@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.0.1",
     "uuid": "^3.2.1"
   }