Downgrade pytest-subtests 0.14.1 to resolve DumpError

Author: jb3

pyproject.toml

@@ -41,7 +41,7 @@ dev = [
     "pre-commit==4.3.0",
     "pytest==8.4.2",
     "pytest-cov==7.0.0",
-    "pytest-subtests==0.15.0",
+    "pytest-subtests==0.14.1",
     "pytest-xdist==3.8.0",
     "ruff==0.14.2",
     "taskipy==1.14.1",