Exclude hidden media fallback provenance

Authored-By: Codex (GPT-5) <noreply@openai.com>

tests/bin/curl

@@ -68,6 +68,10 @@ printf '%s\n' "${PR_BODY}" | awk '
       print line
       next
     }
+    if (lower ~ /^[ ]{0,3}<\/?(video|audio)([[:blank:]>])/) {
+      print line
+      next
+    }
     if (line ~ /^## Tracking[[:space:]]*$/) print "<h2>Tracking</h2>"
     else if (line ~ /^## Attribution[[:space:]]*$/) print "<h2>Attribution</h2>"
     else if (line ~ /^- Fixes[[:space:]]/) print "<li>" substr(line, 3) "</li>"