docs: fix more broken links in FAQ and docs

[NotFoundOvO]

Relates to #13270

Fixed more broken/redirected links:

• FAQ.md: gyp.gsrc.io -> chromium.googlesource.com/external/gyp
• FAQ.md: scipy.org redirect, julialang.org broken anchor
• docs/links/database.json: same gyp and scipy fixes
• etc/python/README.md: python.com (domain sold) -> python.org

[stdlib-bot]

Hello! Thank you for your contribution to stdlib.

We noticed that the contributing guidelines acknowledgment is missing from your pull request. Here's what you need to do:

1. Please read our contributing guidelines.

2. Update your pull request description to include this checked box:

   - [x] Read, understood, and followed the [contributing guidelines](https://github.com/stdlib-js/stdlib/blob/develop/CONTRIBUTING.md)

This acknowledgment confirms that you've read the guidelines, which include:

• The developer's certificate of origin
• Your agreement to license your contributions under the project's terms

We can't review or accept contributions without this acknowledgment.

Thank you for your understanding and cooperation. We look forward to reviewing your contribution!

[kgryte]

@NotFoundOvO You need to read and follow our contribution guide. Currently, you have not been branching correctly, and your PRs are steadily accumulating unrelated changes.