check-issue-refs: blanket-ban tracker tags in markdown too, no exceptions

swarm-authelia-bridge/README.md

@@ -43,7 +43,8 @@ It used to be otherwise, and the seam was real: each side had its own
 `users.json` treated as authoritative, rendering the _same_ physical
 `users.yml`. A writer whose own JSON was missing could not tell "nothing
 here yet" from "someone else's users", so it refused to write at all —
-which is exactly what a hive with existing users hit (#3422).
+which is exactly what a hive with existing users hit
+(`$HIVE_FORGE_URL/hyperhive/hyperhive/issues/3422`).
 
 What still has to hold, since two processes share the file: