[pre-commit.ci] pre-commit autoupdate (#1365)

* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.15.22 → v0.16.0](astral-sh/ruff-pre-commit@v0.15.22...v0.16.0)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: "v0.15.22"
+  rev: "v0.16.0"
   hooks:
     - id: ruff
       args: ["--fix"]

src/xdist/remote.py

@@ -120,7 +120,7 @@ def __init__(self, config: pytest.Config, channel: execnet.Channel) -> None:
         self.log = Producer(f"worker-{self.workerid}", enabled=config.option.debug)
         self.channel = channel
         self.torun = TestQueue(self.channel.gateway.execmodel)
-        self.nextitem_index: int | None | Literal[Marker.SHUTDOWN] = None
+        self.nextitem_index: int | Literal[Marker.SHUTDOWN] | None = None
         config.pluginmanager.register(self)
 
     def sendevent(self, name: str, **kwargs: object) -> None: