Bump opentelemetry-util-http from 0.42b0 to 0.43b0

Bumps [opentelemetry-util-http](https://github.com/open-telemetry/opentelemetry-python-contrib) from 0.42b0 to 0.43b0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-python-contrib/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-python-contrib/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-python-contrib/commits)

---
updated-dependencies:
- dependency-name: opentelemetry-util-http
  dependency-type: direct:production
...

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