Add the uv ecosystem

[markhallen]

What are you trying to accomplish?

Part of #10478

This PR build on the community submission #11687.

Anything you want to highlight for special attention from reviewers?

We Have split this PR into three commits:

• Prepare dependabot for the uv ecosystem
  • Has all the code outside the ecosystem folders (./uv, ./python) to prepare for the new ecosystem
• uv copy of the python folder and tested dry run
  • Is a copy of the python folder with uv handling added
• Update uv to remove other python package managers
  • Cleans up the copied folder to only handle the uv package manager

How will you know you've accomplished your goal?

We can dry run with our uv testing repo:

./bin/docker-dev-shell uv --rebuild
./bin/dry-run.rb uv dsp-testing/dependabot-uv

Checklist

• I have run the complete test suite to ensure all tests and linters pass.
• I have thoroughly tested my code changes to ensure they work as expected, including adding additional tests for new functionality.
• I have written clear and descriptive commit messages.
• I have provided a detailed description of the changes in the pull request, including the problem it addresses, how it fixes the problem, and any relevant details about the implementation.
• I have ensured that the code is well-documented and easy to understand.

[thavaahariharangit]

I’m approving this PR based on the following reasons:

1. This is an initial update, and any specific issues can be addressed in future PRs.
2. It allows the developer to test the changes in other environments.
3. Confident that the developer can successfully create a Docker image for the new UV ecosystem.
4. The update includes 460+ files, all contained within their own module.
5. This will help unblock the author and allow progress on the next tasks.