typo fix

.github/workflows/1-hello-world.yaml

@@ -5,7 +5,7 @@ on:
   # schedule:
   #   - cron: '30 15 * * *'
   # push: # git push
-  #   branch:
+  #   branches:
   #     - main
 
 jobs:

.github/workflows/2-test-django-basic.yaml

@@ -3,7 +3,7 @@ name: 2 - Test Django Basic
 on:
   workflow_dispatch:
   # push:
-  #   branch:
+  #   branches:
   #     - main
 
 jobs:

.github/workflows/3-test-django-env-vars.yaml

@@ -3,7 +3,7 @@ name: 3 - Test Django Env Vars
 on:
   workflow_dispatch:
   # push:
-  #   branch:
+  #   branches:
   #     - main
 
 jobs:

.github/workflows/4-test-django-database-url.yaml

@@ -3,7 +3,7 @@ name: 4 - Test Django with Actions Secret Database URL
 on:
   workflow_dispatch:
   # push:
-  #   branch:
+  #   branches:
   #     - main
 
 jobs:

.github/workflows/5-neon-db-branch-django-tests.yaml

@@ -3,7 +3,7 @@ name: 5 - Branch Neon DB for Django Tests
 on:
   workflow_dispatch:
   push:
-    branch:
+    branches:
       - main
 
 jobs: