Bump microsoft-kiota-serialization-json in /it/python

Bumps [microsoft-kiota-serialization-json](https://github.com/microsoft/kiota) from 0.4.2 to 1.0.0.
- [Release notes](https://github.com/microsoft/kiota/releases)
- [Changelog](https://github.com/microsoft/kiota/blob/main/CHANGELOG.md)
- [Commits](https://github.com/microsoft/kiota/commits/v1.0.0)

---
updated-dependencies:
- dependency-name: microsoft-kiota-serialization-json
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

it/python/requirements-dev.txt

@@ -104,7 +104,7 @@ microsoft-kiota-authentication-azure==1.0.0
 
 microsoft-kiota-http==0.6.3
 
-microsoft-kiota-serialization-json==0.4.2
+microsoft-kiota-serialization-json==1.0.0
 
 microsoft-kiota-serialization-text==1.0.0