chore: remove jest from devDependencies in package.json

Author: johnie

jest.config.js

@@ -33,7 +33,6 @@
         "eslint": "^9.30.1",
         "eslint-config-airbnb": "^19.0.4",
         "eslint-config-prettier": "^10.1.5",
-        "jest": "^30.0.3",
         "typescript": "5.8.3",
         "vitest": "^3.2.4"
     },