Update aws-sdk-net monorepo

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
AWSSDK.RDS	3.7.301.10 -> 3.7.401.1
AWSSDK.SecurityToken	3.7.300.16 -> 3.7.400.3

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Release Notes

aws/aws-sdk-net (AWSSDK.RDS)

v3.7.401

v3.7.308

Compare Source

v3.7.306

v3.7.305

Compare Source

v3.7.304

v3.7.303

v3.7.302

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Configuration

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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

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• If you want to rebase/retry this PR, check this box

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