Update ci-dgraph-js.yml

Author: ryanfoxtyler

.github/workflows/ci-dgraph-js.yml

@@ -1,23 +1,13 @@
 name: ci-dgraph-js-tests
 on:
-  push:
-    paths-ignore:
-      - '**/**.dockerignore'
-      - '**/**.gitignore'
-      - '**/**.md'
-      - '**/**.png'
-      - '**/**.gif'
-      - '**/**.ini'
-    branches: 
-    - master
   pull_request:
     types:
     - opened
     - reopened
     - synchronize
     - ready_for_review
     branches: 
-    - master
+    - main
 jobs:
   dgraph-js-tests:
     runs-on: warp-ubuntu-latest-x64-16x