fix: speed up and fix v-publish-stats

[snowystinger]

Closes

Noticed that this job was taking 3+ min to complete and was frequently failing.
This parallelises the pairs of requests and sets a timeout, so the job overall won't hang for as long if Azure fails to give us the files.

✅ Pull Request Checklist:

• Included link to corresponding React Spectrum GitHub Issue.
• Added/updated unit tests and storybook for this change (for new code or code which already has tests).
• Filled out test instructions.
• Updated documentation (if it already exists for this component).
• Looked at the Accessibility Practices for this feature - Aria Practices

📝 Test Instructions:

🧢 Your Project:

[rspbot]

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