fixup! py(ci): Move test execution to go-task

Author: cdecker

.github/workflows/check-self.yml

@@ -45,4 +45,4 @@ jobs:
         PATH: /tmp/bin:{{ .PATH }}
         PYTEST_OPTS: -n 6
       run : |
-        PYTEST_OPTS='-n 8' task clientpy:check
+        task clientpy:check