Bump pytest from 7.4.2 to 7.4.3 in /chapter-6/1-adding-active-search

Bumps [pytest](https://github.com/pytest-dev/pytest) from 7.4.2 to 7.4.3.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.4.2...7.4.3)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

chapter-6/1-adding-active-search/requirements.txt

@@ -1,4 +1,4 @@
 Flask==3.0.0
-pytest==7.4.2
+pytest==7.4.3
 typing-extensions==4.8.0
 Werkzeug==3.0.0