Bump pytest-asyncio from 1.2.0 to 1.3.0

Bumps [pytest-asyncio](https://github.com/pytest-dev/pytest-asyncio) from 1.2.0 to 1.3.0.
- [Release notes](https://github.com/pytest-dev/pytest-asyncio/releases)
- [Commits](pytest-dev/pytest-asyncio@v1.2.0...v1.3.0)

---
updated-dependencies:
- dependency-name: pytest-asyncio
  dependency-version: 1.3.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -81,7 +81,7 @@ dev-pytest = [
   "pylint == 4.0.2", # We need this to check for the examples
   "frequenz-repo-config[extra-lint-examples] == 0.13.6",
   "pytest-mock == 3.15.1",
-  "pytest-asyncio == 1.2.0",
+  "pytest-asyncio == 1.3.0",
   "async-solipsism == 0.8",
 ]
 dev = [