[S3 Repository] Change default retry mechanism of s3 clients to Standard Mode

[Arpit-Bandejiya]

Description

This PR change the Default Backoff Strategy to Standard from Legacy . More info about it here: https://docs.aws.amazon.com/sdkref/latest/guide/feature-retry-behavior.html

Related Issues

Resolves #15397

Check List

• Functionality includes testing.
• API changes companion pull request created, if applicable.
• Public documentation issue/PR created, if applicable.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions]

❌ Gradle check result for 5c32ca5: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for 1dc8dc5: FAILURE

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[github-actions]

❌ Gradle check result for a11f678: FAILURE

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[github-actions]

❌ Gradle check result for f1e64a2: FAILURE

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[github-actions]

❌ Gradle check result for 234d09a: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for 2bed915: FAILURE

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[github-actions]

❌ Gradle check result for 80e2812: FAILURE

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[github-actions]

❌ Gradle check result for 06c4008: FAILURE

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[github-actions]

❌ Gradle check result for 48403f2: FAILURE

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[github-actions]

❌ Gradle check result for 78cc4d4: FAILURE

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[github-actions]

❌ Gradle check result for 73dc7a8: FAILURE

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[github-actions]

❌ Gradle check result for aeed476: FAILURE

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[github-actions]

❌ Gradle check result for 33bf17f: FAILURE

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[github-actions]

❌ Gradle check result for 16d4ba4: FAILURE

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[github-actions]

❕ Gradle check result for 7faed51: UNSTABLE

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

[github-actions]

✅ Gradle check result for 540c429: SUCCESS

[opensearch-trigger-bot]

The backport to 2.x failed:

The process '/usr/bin/git' failed with exit code 128

To backport manually, run these commands in your terminal:

# Navigate to the root of your repository
cd $(git rev-parse --show-toplevel)
# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add ../.worktrees/OpenSearch/backport-2.x 2.x
# Navigate to the new working tree
pushd ../.worktrees/OpenSearch/backport-2.x
# Create a new branch
git switch --create backport/backport-15978-to-2.x
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 908fefeed32ce205e7b6128a5a344bbf333a5e62
# Push it to GitHub
git push --set-upstream origin backport/backport-15978-to-2.x
# Go back to the original working tree
popd
# Delete the working tree
git worktree remove ../.worktrees/OpenSearch/backport-2.x

Then, create a pull request where the base branch is 2.x and the compare/head branch is backport/backport-15978-to-2.x.