build(deps-dev): bump idna from 3.7 to 3.8 (#122)

Bumps [idna](https://github.com/kjd/idna) from 3.7 to 3.8.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v3.7...v3.8)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Riccardo Magliocchetti <[email protected]>

Author: dependabot[bot]

dev-requirements.txt

@@ -28,7 +28,7 @@ grpcio==1.66.1
     # via
     #   opentelemetry-exporter-otlp-proto-grpc
     #   oteltest
-idna==3.7
+idna==3.8
     # via requests
 importlib-metadata==8.4.0
     # via opentelemetry-api