Use aws-sdk v3 for secrets manager

[DylanLovesCoffee]

What does this PR do?

Uses aws-sdk v3 for accessing secrets manager. V2 will hit EOL :(

Motivation

#615

Testing Guidelines

Additional Notes

Types of Changes

• Bug fix
• New feature
• Breaking change
• Misc (docs, refactoring, dependency upgrade, etc.)

Check all that apply

• This PR's description is comprehensive
• This PR contains breaking changes that are documented in the description
• This PR introduces new APIs or parameters that are documented and unlikely to change in the foreseeable future
• This PR impacts documentation, and it has been updated (or a ticket has been logged)
• This PR's changes are covered by the automated tests
• This PR collects user input/sensitive content into Datadog
• This PR passes the integration tests (ask a Datadog member to run the tests)

[duncanista]

Can you pin it to a compatible version with node 16?

[DylanLovesCoffee]

/merge

[dd-devflow]

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2025-02-05 14:58:10 UTC ℹ️ MergeQueue: pull request added to the queue

The median merge time in main is 0s.

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2025-02-05 15:10:52 UTC ℹ️ MergeQueue: This merge request was merged