Update fix-client-axios-ts2578.md

Author: mrlubos

.changeset/fix-client-axios-ts2578.md

@@ -2,4 +2,4 @@
 "@hey-api/openapi-ts": patch
 ---
 
-Fix axios client generation so `beforeRequest` typing is stable across `strictFunctionTypes` settings, preventing config-dependent `TS2578` (`Unused '@ts-expect-error' directive`) in generated clients.
+**plugin(@hey-api/client-axios)**: fix: improve `beforeRequest` typing