chore(test): change axios test url

[styfle]

Fixes a test failure

AxiosError: Request failed with status code 503

https://github.com/vercel/nft/actions/runs/9785119974/job/27017473162?pr=429#step:10:1864

[github-actions[bot]]

:tada: This PR is included in version 0.27.3 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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