repo_config: ignore stdioLogName type error

Author: zowoq

buildbot_nix/buildbot_nix/repo_config/__init__.py

@@ -28,7 +28,7 @@ async def extract_during_step(cls, buildstep: BuildStepShellMixin) -> Self:
         cmd = await buildstep.makeRemoteShellCommand(
             collectStdout=True,
             collectStderr=True,
-            stdioLogName=None,
+            stdioLogName=None,  # type: ignore[arg-type]
             # TODO: replace this with something like buildbot.steps.transfer.StringUpload
             # in the future... this one doesn't not exist yet.
             command=[