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

Author: renovate[bot]

package-lock.json

@@ -24,7 +24,7 @@
     "eslint-plugin-prettier": "5.2.1",
     "execa": "5.1.1",
     "husky": "9.1.7",
-    "is-ci": "3.0.1",
+    "is-ci": "4.1.0",
     "jest": "29.7.0",
     "lerna": "6.6.2",
     "lint-staged": "15.3.0",

package.json

@@ -551,7 +551,7 @@
     "@types/vscode": "1.96.0",
     "@vscode/test-electron": "2.4.1",
     "@vscode/vsce": "2.29.0",
-    "is-ci": "3.0.1",
+    "is-ci": "4.1.0",
     "mocha": "10.8.2",
     "openapi-typescript": "7.8.0",
     "ovsx": "0.10.1",