chore(ci): update setup-rust cache strategy

[Sec-ant]

Summary

Our CI is encountering this error: Failed to save: Cache service responded with 429 during upload chunk., which seems that the rate limit is triggered by our frequent cache-updating requests.

To solve this issue, this PR changes the setup-rust steps to use the warmup strategy. This strategy will relax the granularity of the cache keys, and only save caches when the workflow is running on the main branch. (The cache will still be restored in other branches)

I also updated the cache-target options for some jobs, because they're building in release mode but caching the debug target.

Test Plan

CI should pass and the new cache strategy should work as expected.

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