Update CI/CD workflows to trigger on master branch instead of dev

.github/workflows/ci.yml

@@ -1,14 +1,14 @@
 # Continuous Integration Workflow
 # This workflow builds and pushes Docker images to your private registry
-# Trigger: Push to dev branch or manual dispatch
+# Trigger: Push to master branch or manual dispatch
 
 name: CI - Build and Push
 
-# Trigger configuration - automatic on dev push, manual dispatch available
+# Trigger configuration - automatic on master push, manual dispatch available
 on:
   push:
     branches:
-      - dev
+      - master
   workflow_dispatch:
 
 # Environment variables available to all jobs