chore: bump github.com/aws/aws-sdk-go-v2 from 1.36.3 to 1.43.4 - #856

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683, step-security/harden-runner@6c439dc8bdf85cadbbce9ed30d1c7b959517bc49. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/