build(deps): Bump pytest-trio in /testing/plugins_integration

Bumps [pytest-trio](https://github.com/python-trio/pytest-trio) from 0.7.0 to 0.8.0.
- [Release notes](https://github.com/python-trio/pytest-trio/releases)
- [Commits](python-trio/pytest-trio@v0.7.0...v0.8.0)

---
updated-dependencies:
- dependency-name: pytest-trio
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

testing/plugins_integration/requirements.txt

@@ -9,7 +9,7 @@ pytest-html==4.1.1
 pytest-mock==3.14.0
 pytest-rerunfailures==14.0
 pytest-sugar==1.0.0
-pytest-trio==0.7.0
+pytest-trio==0.8.0
 pytest-twisted==1.14.1
 twisted==24.3.0
 pytest-xvfb==3.0.0