Bump pytest-localserver from 0.8.0 to 0.8.1 in /glean-core/python

Bumps [pytest-localserver](https://github.com/pytest-dev/pytest-localserver) from 0.8.0 to 0.8.1.
- [Release notes](https://github.com/pytest-dev/pytest-localserver/releases)
- [Changelog](https://github.com/pytest-dev/pytest-localserver/blob/master/CHANGES)
- [Commits](pytest-dev/pytest-localserver@v0.8.0...v0.8.1)

---
updated-dependencies:
- dependency-name: pytest-localserver
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

glean-core/python/requirements_dev.txt

@@ -8,7 +8,7 @@ jsonschema==3.2.0
 mypy==1.4.1
 pdoc3==0.10.0
 pip
-pytest-localserver==0.8.0
+pytest-localserver==0.8.1
 MarkupSafe==2.0.1
 pytest-runner==5.3.2
 pytest==7.0.1