build(deps): bump watchdog from 4.0.2 to 6.0.0

Bumps [watchdog](https://github.com/gorakhargosh/watchdog) from 4.0.2 to 6.0.0.
- [Release notes](https://github.com/gorakhargosh/watchdog/releases)
- [Changelog](https://github.com/gorakhargosh/watchdog/blob/master/changelog.rst)
- [Commits](gorakhargosh/watchdog@v4.0.2...v6.0.0)

---
updated-dependencies:
- dependency-name: watchdog
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -4,7 +4,7 @@ flask-sqlalchemy==3.1.1
 PyYAML==6.0.2
 requests==2.32.3
 unzip_http==0.6
-watchdog==4.0.2
+watchdog==6.0.0
 Werkzeug==3.0.3
 
 # NSTools