build(deps): bump pytype from 2024.4.11 to 2024.9.13 in /book/src

Bumps [pytype](https://github.com/google/pytype) from 2024.4.11 to 2024.9.13.
- [Changelog](https://github.com/google/pytype/blob/main/CHANGELOG)
- [Commits](google/pytype@2024.04.11...2024.09.13)

---
updated-dependencies:
- dependency-name: pytype
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

book/src/requirements.txt

@@ -12,6 +12,6 @@ pyflakes==3.2.0
 pylint==3.2.7
 pytest==8.3.3
 pytest-cov==5.0.0
-pytype==2024.4.11
+pytype==2024.9.13
 requests==2.32.3
 yapf==0.40.2