Fixed Github workflow

.github/workflows/backend.yaml

@@ -1,7 +1,7 @@
 name: Deploy the AWS Lambdas
 
 on:
-  push:
+  pull_request:
     branches:
       - 'live'
     paths:
@@ -15,12 +15,12 @@ jobs:
       id-token: write
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20.x
+          go-version: 1.21.x
 
       - name: Build subscribe function
         working-directory: backend

.github/workflows/frontend.yaml

@@ -1,7 +1,7 @@
 name: Deploy the Ghost theme
 
 on:
-  push:
+  pull_request:
     branches:
       - 'live'
     paths:
@@ -15,7 +15,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install dependencies
         working-directory: frontend

backend/broadcast.go

@@ -61,12 +61,9 @@ func processBroadcastRequest(ctx context.Context, body string) (int, string) {
 		return http.StatusBadRequest, err.Error()
 	}
 
-	// 1. To prevent sending notification for drafts, confirm this post is published.
-	// 2. To prevent sending emails for unpublished and republished posts, ensure
-	//	  that the diff b/w publication and updated dates is not more than 30 minutes.
 	if !reqData.canBroadcast() {
 		return http.StatusBadRequest, fmt.Sprintf(
-			"this post is too old to be rescheduled. It was created at %v and updated at %v ",
+			"this post is too old to be scheduled. It was created at %v and updated at %v ",
 			reqData.Post.Current.PublishedAt,
 			reqData.Post.Current.UpdatedAt,
 		)