Increase read time out on Conda registry client

[theztefan]

What are you trying to accomplish?

The Anaconda API for some big packages takes longer then the initially set 10 seconds. The PR introdouces a small change to the client to increase this limit to 30 seconds as per input from the Anaconda team.

Anything you want to highlight for special attention from reviewers?

How will you know you've accomplished your goal?

Tested it against manifest files which helped uncover this bug and tests show this resolves it.

Checklist

• [x] I have run the complete test suite to ensure all tests and linters pass.
• [x] I have thoroughly tested my code changes to ensure they work as expected, including adding additional tests for new functionality.
• [x] I have written clear and descriptive commit messages.
• [x] 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.
• [x] I have ensured that the code is well-documented and easy to understand.