Bump flask-restx from 1.2.0 to 1.3.0 in /src

Bumps [flask-restx](https://github.com/python-restx/flask-restx) from 1.2.0 to 1.3.0.
- [Release notes](https://github.com/python-restx/flask-restx/releases)
- [Changelog](https://github.com/python-restx/flask-restx/blob/master/CHANGELOG.rst)
- [Commits](python-restx/flask-restx@1.2.0...1.3.0)

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

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

src/requirements.txt

@@ -1,5 +1,5 @@
 couchbase==4.1.9
-flask_restx==1.2.0
+flask_restx==1.3.0
 pytest==7.4.3
 python-dotenv==1.0.0
 requests==2.31.0