pytest: faster xdist startup (#35817)

* faster

* cmt

Author: sshane

pyproject.toml

@@ -85,8 +85,8 @@ testing = [
   "pytest",
   "pytest-cpp",
   "pytest-subtests",
-  # https://github.com/pytest-dev/pytest-xdist/issues/1215
-  "pytest-xdist @ git+https://github.com/sshane/pytest-xdist@909e97b49d12401c10608f9d777bfc9dab8a4413",
+  # https://github.com/pytest-dev/pytest-xdist/pull/1229
+  "pytest-xdist @ git+https://github.com/sshane/pytest-xdist@b59e010821a25a2ebb95fc5c31c97022ed94221c",
   "pytest-timeout",
   "pytest-randomly",
   "pytest-asyncio",