Update server initialization in test-mcp.js and remove Docker publish workflow

.github/workflows/publish.yml

@@ -1,4 +1,4 @@
-name: Build, Test and Publish
+name: CI/CD Pipeline
 
 on:
   push:
@@ -7,6 +7,11 @@ on:
   pull_request:
     branches: [ main ]
 
+# Prevent multiple concurrent builds of the same branch/PR
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
     runs-on: ubuntu-latest