Update outdated comment in RunTests.hs

Author: mboes

tests/RunTests.hs

@@ -40,8 +40,7 @@ main = hspec $ do
     it "handles packages in subdirectories correctly" $ do
       -- NOTE Keep in sync with
       --   azure-pipelines.yml
-      --   .buildkite/bindists-pipeline
-      --   .circleci/config.yml
+      --   .github/workflows/workflow.yaml
       let withBackup filename k =
             withSystemTempDirectory "bazel_backup" $ \tmp_dir -> do
               bracket_