Bump gitpython from 3.1.59 to 3.2.1 - #1443

Credentials could not be loaded, please check your action inputs: Could not load credentials from any providers

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/upload-artifact@v4, aws-actions/configure-aws-credentials@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/