Fix failing deploy workflow and duplicate CI runs

.github/workflows/ci.yml

@@ -1,6 +1,10 @@
 name: CI
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
 
 jobs:
   build:

.github/workflows/deploy.yml

@@ -9,12 +9,16 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
 
-    # Uncomment the following for a standard deployment to Kinsta
-    # steps:
+    # Replace this placeholder with the commented steps below for a
+    # standard deployment to Kinsta
+    steps:
+      - name: Deployment not configured
+        run: echo "Deployment is not configured. Replace this step with the commented Kinsta steps in this file."
+
       # - name: Checkout code
-      #   uses: actions/checkout@v4
+      #   uses: actions/checkout@v6
       # - name: Set up SSH
-      #   uses: webfactory/ssh-agent@v0.9.0
+      #   uses: webfactory/ssh-agent@v0.10.0
       #   with:
       #     ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
 

.github/workflows/push.yml

@@ -1,11 +1,15 @@
 name: Check Docker Compose development environment
-on: push
+on:
+  push:
+    branches:
+      - main
+  pull_request:
 jobs:
   test:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install Composer dependencies
         uses: php-actions/composer@v6

.github/workflows/theme.yml

@@ -1,6 +1,10 @@
 name: Theme build
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
 
 jobs:
   build:
@@ -9,10 +13,10 @@ jobs:
       run:
         working-directory: web/app/themes/wordpress-starter-template
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version-file: web/app/themes/wordpress-starter-template/.nvmrc
           cache: npm