[release/8.0] - Port perf fixes to 8.0#556

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joeloff wants to merge 3 commits intodotnet:release/8.0from

Commits on May 4, 2026

Use stream-based JSON parsing to eliminate ReadToEndAsync allocations

davkean
authored and
joeloff
committed
Use Uri.OriginalString for GetHashCode to avoid lazy URI parsing

davkean
authored and
joeloff
committed
Defer Uri construction in ReleaseFile to avoid eager parsing cost

davkean
authored and
joeloff
committed