Automated fix for refs/heads/master (#33710 An error occurred )

PanCakes to the rescue!

We noticed that our 'sanity' test was going to fail, but we think we can
fix that automatically, so we put together this PR to do just that!

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in .github/workflows/pr-auto-fix.yaml

Co-authored-by: ctiller <ctiller@users.noreply.github.com>

tools/run_tests/xds_k8s_test_driver/tests/url_map/affinity_test.py

@@ -127,7 +127,7 @@ class TestHeaderBasedAffinity(xds_url_map_testcase.XdsUrlMapTestCase):
             1,
         )
 
-	# Any remaining subchannels may be in any state.
+        # Any remaining subchannels may be in any state.
 
         # Send 150 RPCs without headers. RPCs without headers will pick random
         # backends. After this, we expect to see all backends to be connected.