Update test dependencies

package.json

@@ -29,12 +29,12 @@
     "node": ">=10.0.0"
   },
   "devDependencies": {
-    "@types/chai": "^4.2.0",
+    "@types/chai": "^4.3.11",
     "@types/mocha": "^5.2.7",
     "@types/node": "^12.7.1",
     "@voxpelli/eslint-config": "^4.0.0",
-    "chai": "^4.2.0",
-    "coveralls": "^3.0.5",
+    "chai": "^4.4.1",
+    "coveralls": "^3.1.1",
     "dependency-check": "^4.1.0",
     "documentation": "^12.1.1",
     "eslint": "^6.8.0",
@@ -44,11 +44,11 @@
     "eslint-plugin-node": "^11.0.0",
     "eslint-plugin-promise": "^4.2.1",
     "eslint-plugin-standard": "^4.0.0",
-    "husky": "^4.2.1",
+    "husky": "^4.3.8",
     "installed-check": "^3.0.0",
-    "mocha": "^7.0.1",
+    "mocha": "^7.2.0",
     "npm-run-all": "^4.1.5",
-    "nyc": "^15.0.0",
+    "nyc": "^15.1.0",
     "typescript": "^3.5.3"
   },
   "dependencies": {