feat: polycloud

[Nsttt]

What's added in this PR?

Was added an extra upload strategy to handle multi-CDN configs. Still has a fallback for the previous config endpoint if something goes wrong with the new call.
Clickup

Screenshots

What's the issues or discussion related to this PR ?

Polycloud support https://app.clickup.com/t/9013031642/ZC-3503

What are the steps to test this PR?

Configure a multi CDN on app. Set that CDN to an application, then try to build that application.

(Optional) What's left to be done for this PR?

@valeriitropin asked about using the secondaries as fallback for serving the app. That would be a nice feat

(Optional) What's the potential risk and how to mitigate it?

Stop properly deploying app. Need to be careful with that

(Required) Pre-PR/Merge checklist

• I have added/updated/opened a PR to documentation to cover this new behavior
• I have added an explanation of my changes
• I have written new tests (if applicable)
• I have tested this locally (standing from a first time user point of view, never touch this app before)
• I have/will run tests, or ask for help to add test

[nx-cloud]

🤖 Nx Cloud AI Fix Eligible

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View your CI Pipeline Execution ↗ for commit 5cdd50e

Command	Status	Duration	Result
nx affected -t test	❌ Failed	32s	View ↗
nx run e2e-deployment:e2e-test -- --passWithNoT...	✅ Succeeded	18s	View ↗
nx affected -t build --skipRemoteCache	✅ Succeeded	4m 47s	View ↗
nx affected -t lint	✅ Succeeded	6s	View ↗

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☁️ Nx Cloud last updated this comment at 2025-09-29 10:02:48 UTC