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

Author: renovate[bot]

package-lock.json

@@ -26,7 +26,7 @@
     "@types/node": "^20.0.0",
     "@vitest/coverage-v8": "^3.0.0",
     "esbuild": "^0.25.0",
-    "fetch-mock": "^10.0.0",
+    "fetch-mock": "^12.0.0",
     "prettier": "^3.0.0",
     "semantic-release-plugin-update-version-in-files": "^2.0.0",
     "strip-indent": "^4.0.0",