repo: Patch coverage with subprocess

Coverage subprocess has been removed in pytest-cov 7.0. To migrate the
`patch` option has to be added.
See https://pytest-cov.readthedocs.io/en/latest/subprocess-support.html

Signed-off-by: Pieter De Gendt <[email protected]>

Author: pdgendt

pyproject.toml

@@ -49,6 +49,7 @@ where = ["src"]
 namespaces = false
 
 [tool.coverage.run]
+patch = ["subprocess"]
 relative_files = true
 omit = [
   "*/tmp/*",