fix(deps): update dependency is-language-code to v5

Author: renovate[bot]

package.json

@@ -68,7 +68,7 @@
     "globals": "^15.0.0",
     "ignore": "^5.2.4",
     "import-fresh": "^3.3.0",
-    "is-language-code": "^3.1.0",
+    "is-language-code": "^5.0.0",
     "js-yaml": "^4.1.0",
     "json5": "^2.2.3",
     "jsonc-eslint-parser": "^2.3.0",