feat: support bi-directional eventstream over H2

[AllanZhengYP]

This PR is depend on #1081

1. Add AddHttp2Dependency.java to add Http/2 request handler to service: TranscribeStreaming and Kinesis. Currently only NodeJs requires special request handler for Http/2.
2. Add AddEventStreamHandlingDependency.java to support signing event stream in requests with SigV4 streaming spec
3. Add eventstream-handler-node and middleware-eventstream for JS implementation of singing eventstream requests

This PR is ready to be reviewed but needs to be merged together with WebSocket support.

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

[codecov-io]

Codecov Report

Merging #1082 into master will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1082      +/-   ##
==========================================
+ Coverage   73.33%   73.36%   +0.02%     
==========================================
  Files         285      286       +1     
  Lines       12399    12412      +13     
  Branches     2892     2899       +7     
==========================================
+ Hits         9093     9106      +13     
  Misses       3306     3306              

Impacted Files	Coverage Δ
...eventstream-handler-node/src/EventSigningStream.ts	91.66% <ø> (ø)
...ream-handler-node/src/EventStreamPayloadHandler.ts	96.00% <ø> (ø)
...sal/src/fixtures/MockEventMessageSource.fixture.ts	86.36% <ø> (ø)
...ream-serde-universal/src/fixtures/event.fixture.ts	100.00% <ø> (ø)
...ventstream-serde-universal/src/getChunkedStream.ts	94.23% <ø> (ø)
...tream-serde-universal/src/getUnmarshalledStream.ts	73.07% <ø> (ø)
protocol_tests/aws-ec2/protocols/Aws_ec2.ts	63.56% <ø> (-0.04%)	⬇️
protocol_tests/aws-json/protocols/Aws_json1_1.ts	66.04% <ø> (-0.62%)	⬇️
protocol_tests/aws-query/protocols/Aws_query.ts	68.60% <ø> (-0.11%)	⬇️
...ol_tests/aws-restjson/protocols/Aws_restJson1_1.ts	62.04% <ø> (-0.11%)	⬇️
... and 11 more

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[AllanZhengYP]

This PR needs to be revised because of the new design.

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request head (h2-eventstream-continue@5e49dcc). Click here to learn what that means.
The diff coverage is n/a.

[aws-sdk-js-automation]

AWS CodeBuild CI Report

• CodeBuild project: sdk-staging-test
• Commit ID: 080efeb
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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[aws-sdk-js-automation]

AWS CodeBuild CI Report

• CodeBuild project: sdk-staging-test
• Commit ID: 6620c4c
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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

[aws-sdk-js-automation]

AWS CodeBuild CI Report

• CodeBuild project: sdk-staging-test
• Commit ID: 5e49dcc
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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

[kstich]

Clear from Java side

[github-actions]

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