Bump pymodbus[serial] from 3.8.3 to 3.8.5

Bumps [pymodbus[serial]](https://github.com/pymodbus-dev/pymodbus) from 3.8.3 to 3.8.5.
- [Release notes](https://github.com/pymodbus-dev/pymodbus/releases)
- [Changelog](https://github.com/pymodbus-dev/pymodbus/blob/dev/CHANGELOG.rst)
- [Commits](pymodbus-dev/pymodbus@v3.8.3...v3.8.5)

---
updated-dependencies:
- dependency-name: pymodbus[serial]
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

setup.cfg

@@ -43,7 +43,7 @@ umodbus =
     umodbus==1.0.4
     connio==0.2.0
 pymodbus =
-    pymodbus[serial]==3.8.3
+    pymodbus[serial]==3.8.5
 solarman =
     pysolarmanv5==3.0.6
 tests =