fix: update AWS SDK to 2.40.11 to address CVE-2025-67735

[vedant-jaiswal]

Issue #, if available:
aws/aws-secretsmanager-jdbc#310

Description of changes:
Updates AWS SDK for Java v2 from 2.37.1 to 2.40.11 to address security vulnerability CVE-2025-67735 in netty dependency.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.90%. Comparing base (85cfd4d) to head (967c366).
⚠️ Report is 1 commits behind head on v2.

Additional details and impacted files

@@            Coverage Diff            @@
##                 v2     #181   +/-   ##
=========================================
  Coverage     90.90%   90.90%           
  Complexity       90       90           
=========================================
  Files             6        6           
  Lines           231      231           
  Branches         24       24           
=========================================
  Hits            210      210           
  Misses           18       18           
  Partials          3        3           

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