Update workflows to include main branch as trigger (#1497)

.github/workflows/changelog.yml

@@ -9,7 +9,7 @@ on:
     types: [opened, synchronize, reopened, labeled, unlabeled]
     branches:
       - master
-
+      - main
 jobs:
   changelog:
     runs-on: ubuntu-latest

.github/workflows/ci.yml

@@ -1,7 +1,9 @@
 name: ci
 on:
   push:
-    branches: [master]
+    branches:
+      - master
+      - main
   pull_request:
 env:
   TEST_RESULTS: /tmp/test-results # path to where test results will be saved