chore(deps): update dependency is-ci to v4

Author: renovate[bot]

package-lock.json

@@ -106,7 +106,7 @@
     "eslint-plugin-prettier": "5.2.1",
     "husky": "9.1.4",
     "hygen": "6.2.11",
-    "is-ci": "3.0.1",
+    "is-ci": "4.1.0",
     "jest": "29.7.0",
     "prettier": "3.3.3",
     "prompts": "2.4.2",