Configure labeler for 'module: distributed' (#112812)

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#24422

Uses same file paths as current CODEOWNERS.

Note: can easily add sub-labels for components within distributed if we
want.

Pull Request resolved: #112812
Approved by: https://github.com/wanchaol, https://github.com/fduwjj

.github/labeler.yml

@@ -67,3 +67,10 @@
 
 "ciflow/trunk":
 - .ci/docker/ci_commit_pins/triton.txt
+
+"module: distributed":
+- /torch/csrc/distributed/**
+- /torch/distributed/**
+- /torch/nn/parallel/**
+- /test/distributed/**
+- /torch/testing/_internal/distributed/**