Update main.yml

Author: afc163

.github/workflows/main.yml

@@ -2,9 +2,9 @@ name: CI
 
 on:
   push:
-    branches: [master]
+    branches: [master, 2.x]
   pull_request:
-    branches: [master]
+    branches: [master, 2.x]
 
 jobs:
   setup:
@@ -110,4 +110,4 @@ jobs:
       - name: coverage
         run: npm test -- --coverage && bash <(curl -s https://codecov.io/bash)
 
-    needs: setup
+    needs: setup