fix(telemetry): scrub existing rows, and stop --author= being eaten (#3925)

tests/test_retrieval_query_scrubbing.py

@@ -71,6 +71,13 @@ _EVIDENCE = [
     # The word "token" in ordinary prose is not a token.
     "explain how the token bucket rate limiter works",
     "wc -l src/*.py && date",
+    # `--author=` contains "auth". A bare `auth` keyword in the assigned
+    # pattern redacted the address here, which is the evidence-eating failure
+    # this block exists to catch — and it shipped for one commit because the
+    # set did not contain a case with it. `AUTH_TOKEN=` is still caught, via
+    # `token`.
+    "git commit --author=bvandeusen@example.com -m 'x'",
+    "git log --author=\"Bryan Van Deusen\" --oneline",
 ]