Create Security section and move PSRT and SBOM

[hugovk]

For #1803 (comment).

• Move the PSRT and Software Bill-of-Materials entries to the new Security section.

• Move the PSRT member and emeritus CSVs to the new security/ folder.

New index:

• https://cpython-devguide--1805.org.readthedocs.build/security/

Adds redirects from the old pages:

• https://cpython-devguide--1805.org.readthedocs.build/developer-workflow/psrt/ -> https://cpython-devguide--1805.org.readthedocs.build/security/psrt/

• https://cpython-devguide--1805.org.readthedocs.build/developer-workflow/sbom/ -> https://cpython-devguide--1805.org.readthedocs.build/security/sbom/

To do before merge:

• Update the PSRT GHSA script to look in security/psrt.csv in addition to developer-workflow/psrt.csv while we transition the locations.

[read-the-docs-community]

Documentation build overview

📚 CPython devguide | 🛠️ Build #32773356 | 📁 Comparing 211f785 against latest (f890063)

  🔍 Preview build  

8 files changed · + 3 added · ± 5 modified

+ Added

• security/index.html
• security/psrt/index.html
• security/sbom/index.html

± Modified

• index.html
• developer-workflow/index.html
• versions/index.html
• developer-workflow/psrt/index.html
• developer-workflow/sbom/index.html

[StanFromIreland]

To do before merge:

As I noted on the PR, as long as this is merged by a PSRT member who can merge the other PR as well I don't think we need to do the temporary step.

[StanFromIreland]

LGTM, thanks Hugo!