chore(deps): update dependency fetch-mock to v12

Author: renovate[bot]

package-lock.json

@@ -37,7 +37,7 @@
     "@types/node": "^22.0.0",
     "@vitest/coverage-v8": "^2.0.0",
     "esbuild": "^0.24.0",
-    "fetch-mock": "^11.0.0",
+    "fetch-mock": "^12.0.0",
     "glob": "^11.0.0",
     "prettier": "3.3.3",
     "semantic-release-plugin-update-version-in-files": "^1.0.0",