chore(deps): pin dependencies

package.json

@@ -15,17 +15,17 @@
     "@commitlint/travis-cli": "8.3.5",
     "@types/assert": "1.4.6",
     "@types/chai": "4.2.11",
-    "@types/faker": "^4.1.11",
+    "@types/faker": "4.1.11",
     "@types/lodash.shuffle": "4.2.6",
-    "@types/mathjs": "^6.0.5",
+    "@types/mathjs": "6.0.5",
     "@types/mocha": "7.0.2",
     "@typescript-eslint/eslint-plugin": "2.29.0",
     "benchmark": "2.1.4",
     "browserify": "16.5.1",
     "chai": "4.2.0",
-    "chalk": "^3.0.0",
-    "core-js": "^3.6.4",
-    "cross-env": "^7.0.2",
+    "chalk": "3.0.0",
+    "core-js": "3.6.5",
+    "cross-env": "7.0.2",
     "editorconfig-checker": "3.0.4",
     "eslint": "6.8.0",
     "eslint-config-standard-with-typescript": "16.0.0",
@@ -33,7 +33,7 @@
     "eslint-plugin-node": "11.0.0",
     "eslint-plugin-promise": "4.2.1",
     "eslint-plugin-standard": "4.0.1",
-    "faker": "^4.1.0",
+    "faker": "4.1.0",
     "husky": "4.2.3",
     "karma": "5.0.4",
     "karma-browserstack-launcher": "1.5.1",
@@ -44,15 +44,15 @@
     "karma-webpack": "4.0.2",
     "latest-snabbdom-release": "npm:snabbdom@0.7.4",
     "lodash.shuffle": "4.2.0",
-    "mathjs": "^6.6.4",
+    "mathjs": "6.6.4",
     "mocha": "7.1.2",
     "npm-run-all": "4.1.5",
-    "p-map-series": "^2.1.0",
-    "p-reduce": "^2.1.0",
+    "p-map-series": "2.1.0",
+    "p-reduce": "2.1.0",
     "remark-cli": "7.0.1",
     "remark-toc": "7.0.0",
     "tsconfigs": "4.0.2",
-    "tty-table": "^4.1.1",
+    "tty-table": "4.1.1",
     "typescript": "3.8.3",
     "webpack": "4.43.0"
   },