chore(deps): update dependency mocha to v7 (#210)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

package.json

@@ -46,7 +46,7 @@
     "@types/karma": "4.4.1",
     "@types/karma-webpack": "2.0.7",
     "@types/lodash": "4.14.149",
-    "@types/mocha": "5.2.7",
+    "@types/mocha": "7.0.2",
     "@types/node": "13.11.1",
     "@types/sinon": "7.5.2",
     "@types/webpack": "4.41.11",
@@ -67,7 +67,7 @@
     "karma-sinon": "^1.0.5",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "^4.0.2",
-    "mocha": "^6.1.4",
+    "mocha": "^7.1.1",
     "prettier": "^2.0.4",
     "raw-loader": "^3.0.0",
     "semantic-release": "^17.0.6",