chore(deps): update dependency pytest-xdist to ~=3.8.0 (#429)

Author: renovate[bot]

pyproject.toml

@@ -47,7 +47,7 @@ dev = [
     "pytest-asyncio~=1.0.0",
     "pytest-cov~=6.2.0",
     "pytest-only~=2.1.0",
-    "pytest-xdist~=3.7.0",
+    "pytest-xdist~=3.8.0",
     "pytest~=8.4.0",
     "redbaron~=0.9.0",
     "respx~=0.22.0",