chore: update default branch to main (#40)

Author: gregjopa

.github/workflows/main.yml

@@ -1,9 +1,9 @@
 name: build
 on:
-  # run on push but only for the master branch
+  # run on push but only for the main branch
   push:
     branches:
-      - master
+      - main
   # run for every pull request
   pull_request: {}
 jobs:
@@ -14,7 +14,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: ⎔ Setup node
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2
         with:
           node-version: '14'
 
@@ -30,4 +30,4 @@ jobs:
         run: npm run build
 
       - name: ⬆️ Upload coverage report
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v2