Bump ddtrace from 2.3.0 to 2.9.3

Bumps [ddtrace](https://github.com/DataDog/dd-trace-py) from 2.3.0 to 2.9.3.
- [Release notes](https://github.com/DataDog/dd-trace-py/releases)
- [Changelog](https://github.com/DataDog/dd-trace-py/blob/main/CHANGELOG.md)
- [Commits](DataDog/dd-trace-py@v2.3.0...v2.9.3)

---
updated-dependencies:
- dependency-name: ddtrace
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

dev-requirements.txt

@@ -11,7 +11,7 @@ pre-commit~=3.7.0;python_version >="3.9"
 pre-commit~=3.5.0;python_version <"3.9"
 
 # test
-ddtrace==2.3.0
+ddtrace==2.9.3
 pytest~=7.4
 pytest-csv~=3.0
 pytest-dotenv~=0.5.2