fix(util-retry): detect throttling from RetryErrorInfo.errorType in DefaultRateLimiter#1885

TrevorBurnham wants to merge 1 commit intosmithy-lang:mainsmithy-lang/smithy-typescript:mainfrom

TrevorBurnham:fix/default-rate-limiter-throttle-detectionTrevorBurnham/smithy-typescript:fix/default-rate-limiter-throttle-detectionCopy head branch name to clipboard