Update if_test.yml

Author: izefoea

.github/workflows/if_test.yml

@@ -8,7 +8,7 @@ jobs:
   build:
     # ─────────── Server‑side job IF ───────────
     # Only queue 'build' when on 'main' branch
-    if: github.ref == 'refs/heads/main'
+    if: github.ref == 'refs/heads/master'
     runs-on: self-hosted
 
     steps: