Bump is-ci from 3.0.1 to 4.1.0

Bumps [is-ci](https://github.com/watson/is-ci) from 3.0.1 to 4.1.0.
- [Release notes](https://github.com/watson/is-ci/releases)
- [Changelog](https://github.com/watson/is-ci/blob/master/CHANGELOG.md)
- [Commits](watson/is-ci@v3.0.1...v4.1.0)

---
updated-dependencies:
- dependency-name: is-ci
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -47,7 +47,7 @@
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^5.0.1",
     "husky": "^9.0.2",
-    "is-ci": "^3.0.0",
+    "is-ci": "^4.1.0",
     "lint-staged": "^15.0.1",
     "markdown-toc": "^1.2.0",
     "prettier": "^3.0.0",