chore: update syntax for husky v9

Author: joakimen

.husky/commit-msg

@@ -1,4 +1,2 @@
 #!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
 npx --no-install commitlint --edit "$1"

package.json

@@ -12,7 +12,7 @@
     "test": "jest",
     "lint": "eslint .",
     "lint:fix": "eslint --fix .",
-    "prepare": "npm run build && husky install",
+    "prepare": "npm run build && husky",
     "semantic-release": "semantic-release"
   },
   "keywords": [