fix(ci): update default branch to main

.github/workflows/main.yml

@@ -6,7 +6,7 @@ name: SASjs Core Publish
 on:
   push:
     branches:
-      - master
+      - main
 
 jobs:
   release:

package.json

@@ -12,6 +12,9 @@
     "type": "git",
     "url": "https://github.com/sasjs/core"
   },
+  "release": {
+    "branches": ["main"]
+  },
   "publishConfig": {
     "access": "public"
   },