feat: rename calculateSha256 functions

[srchase]

Renames calculateSha256 to fileStreamHasher and blobHasher. Each function takes a Hash constructor and thus can return other hashes beyond Sha256.

Updates S3 Client where these functions are currently used.

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[aws-sdk-js-automation]

AWS CodeBuild CI Report

• Result: FAILED
• Build Logs (available for 30 days)

Powered by github-codebuild-logs, available on the AWS Serverless Application Repository

[codecov-io]

Codecov Report

Merging #790 into smithy-codegen will not change coverage.
The diff coverage is 100%.

@@               Coverage Diff               @@
##           smithy-codegen     #790   +/-   ##
===============================================
  Coverage           92.42%   92.42%           
===============================================
  Files                 142      142           
  Lines                2811     2811           
  Branches              487      487           
===============================================
  Hits                 2598     2598           
  Misses                213      213

Impacted Files	Coverage Δ
packages/hash-stream-node/src/index.ts	90% <100%> (ø)	⬆️
packages/hash-blob-browser/src/index.ts	100% <100%> (ø)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4bf0168...bfa2a6d. Read the comment docs.

[srchase]

CI failure is due to flaky test, and is unrelated #487

[lock]

This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs and link to relevant comments in this thread.