chore: update dependencies (#45)

Author: ekashida

package.json

@@ -24,10 +24,10 @@
     "eslint-restricted-globals": "~0.2.0"
   },
   "devDependencies": {
-    "eslint": "^7.17.0",
-    "husky": "^4.3.7",
-    "lint-staged": "^10.5.3",
-    "mocha": "^8.2.1",
+    "eslint": "^7.21.0",
+    "husky": "^4.3.8",
+    "lint-staged": "^10.5.4",
+    "mocha": "^8.3.1",
     "prettier": "^2.2.1"
   },
   "peerDependencies": {