Does this help?

Timendus · Timendus · commit 832b3ee6d619 · 2021-08-08T23:29:01.000+02:00
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
@@ -6,9 +6,9 @@ name: Node.js CI
 
 on:
   push:
-    branches: [ $default-branch ]
+    branches: [ main ]
   pull_request:
-    branches: [ $default-branch ]
+    branches: [ main ]
 
 jobs:
   build:
