chore(deps): pin dependency husky to 7.0.4 (#146)

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

Author: 3 people

package-lock.json

@@ -2,7 +2,7 @@
   "name": "flutter_gen",
   "author": "wasabeef",
   "devDependencies": {
-    "husky": "^7.0.4"
+    "husky": "7.0.4"
   },
   "scripts": {
     "prepare": "husky install"