[Backport 2.x] Stream read pool and default s3 timeouts tuning

[opensearch-trigger-bot]

Backport 74b2d7d from #10912.

[github-actions]

Compatibility status:

Checks if related components are compatible with change 20e58f1

Incompatible components

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/custom-codecs.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/performance-analyzer.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/sql.git]

[github-actions]

❕ Gradle check result for 20e58f1: UNSTABLE

• TEST FAILURES:

      1 org.opensearch.index.ShardIndexingPressureSettingsIT.testShardIndexingPressureEnforcedEnabledDisabledSetting

Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov]

Codecov Report

Attention: 15 lines in your changes are missing coverage. Please review.

Comparison is base (e024c77) 71.04% compared to head (20e58f1) 71.01%.
Report is 1 commits behind head on 2.x.

Files	Patch %	Lines
...opensearch/repositories/s3/S3RepositoryPlugin.java	0.00%	11 Missing ⚠️
...ensearch/repositories/s3/StatsMetricPublisher.java	66.66%	2 Missing ⚠️
...s/replication/SegmentReplicationTargetService.java	92.85%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x   #11436      +/-   ##
============================================
- Coverage     71.04%   71.01%   -0.03%     
+ Complexity    59169    59124      -45     
============================================
  Files          4870     4870              
  Lines        278871   278911      +40     
  Branches      40870    40876       +6     
============================================
- Hits         198117   198074      -43     
+ Misses        64034    64010      -24     
- Partials      16720    16827     +107     

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