Add auto labeling of H100 CI for distributed related changes (#6833)

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bottom):
* __->__ #6833

Author: fduwjj

torchci/lib/bot/autoLabelBot.ts

@@ -150,6 +150,10 @@ const repoSpecificAutoLabels: { [repo: string]: [RegExp, string][] } = {
     [/aten\/src\/ATen\/mps/gi, "ciflow/mps"],
     [/aten\/src\/ATen\/native\/mps/gi, "ciflow/mps"],
     [/torch\/_inductor\/codegen\/mps.py/gi, "ciflow/mps"],
+    [/torch\/csrc\/distributed/gi, "ciflow/h100-distributed"],
+    [/torch\/distributed/gi, "ciflow/h100-distributed"],
+    [/torch\/testing\/_internal\/distributed/gi, "ciflow/h100-distributed"],
+    [/test\/distributed/gi, "ciflow/h100-distributed"],
     [/test\/test_mps.py/gi, "ciflow/mps"],
     [/test\/inductor\/test_mps_basic.py/gi, "ciflow/mps"],
   ],