Bump actions/upload-artifact from 6 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 6 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -94,7 +94,7 @@ jobs:
           sphinx-build -j auto -W --keep-going -b html -d cpython/Doc/_build/doctree -D language=es . cpython/Doc/_build/html
 
       # Publica la documentación recién construida para poder descargarla de ser necesario
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           path: cpython/Doc/_build/html
           name: documentación-html