chore(deps): pin dependencies

package.json

@@ -41,8 +41,8 @@
  "@typescript-eslint/parser": "2.3.1",
  "chai": "4.2.0",
  "concurrently": "4.1.2",
- "eslint": "^6.4.0",
- "eslint-config-prettier": "^6.3.0",
+ "eslint": "6.4.0",
+ "eslint-config-prettier": "6.3.0",
  "husky": "3.0.5",
  "mocha": "6.2.0",
  "prettier": "1.18.2",

yarn.lock

@@ -449,7 +449,7 @@ [email protected], escape-string-regexp@^1.0.5:
  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
  integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
 
-eslint-config-prettier@^6.3.0:
+[email protected]:
  version "6.3.0"
  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-6.3.0.tgz#e73b48e59dc49d950843f3eb96d519e2248286a3"
  integrity sha512-EWaGjlDAZRzVFveh2Jsglcere2KK5CJBhkNSa1xs3KfMUGdRiT7lG089eqPdvlzWHpAqaekubOsOMu8W8Yk71A==
@@ -476,7 +476,7 @@ eslint-visitor-keys@^1.0.0, eslint-visitor-keys@^1.1.0:
  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz#e2a82cea84ff246ad6fb57f9bde5b46621459ec2"
  integrity sha512-8y9YjtM1JBJU/A9Kc+SbaOV4y29sSWckBwMHa+FGtVj5gN/sbnKDf6xJUl+8g7FAij9LVaP8C24DUiH/f/2Z9A==
 
-eslint@^6.4.0:
+[email protected]:
  version "6.4.0"
  resolved "https://registry.yarnpkg.com/eslint/-/eslint-6.4.0.tgz#5aa9227c3fbe921982b2eda94ba0d7fae858611a"
  integrity sha512-WTVEzK3lSFoXUovDHEbkJqCVPEPwbhCq4trDktNI6ygs7aO41d4cDT0JFAT5MivzZeVLWlg7vHL+bgrQv/t3vA==