chore: CI/CD pipeline test

fix: action checkout

Author: shawnhankim

.github/workflows/main.yml

@@ -4,7 +4,7 @@ name: CI
 # events but only for the main branch
 on:
   push:
-    branches: [ main ]
+    branches: [ main, awssig-v4-test ]
   pull_request:
     branches: [ main ]
 
@@ -16,7 +16,7 @@ jobs:
     if: github.ref != 'refs/heads/main'
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/maincheckout@v3
+      - uses: actions/checkout@v3
 
       - name: Install dependencies
         run: sudo apt-get install -y wait-for-it
@@ -35,7 +35,7 @@ jobs:
   #   if: github.ref == 'refs/heads/main'
   #   steps:
   #     # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-  #     - uses: actions/maincheckout@v3
+  #     - uses: actions/checkout@v3
 
   #     - name: Get current date
   #       id: date