Remove workflow_dispatch trigger from MCP server release

Simplify workflow to only trigger on mcp-v*.*.* tags.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.github/workflows/release-mcp-server.yml

@@ -3,13 +3,6 @@ name: Release MCP Server
 on:
   push:
     tags: ["mcp-v*.*.*"]
-  workflow_dispatch:
-    inputs:
-      push_image:
-        description: "Push image to registry (unchecked for testing)"
-        required: false
-        default: false
-        type: boolean
 
 env:
   REGISTRY: docker.io
@@ -46,7 +39,6 @@ jobs:
           echo "version=$PROJECT_VERSION" >> $GITHUB_OUTPUT
 
       - name: Log in to Docker Hub
-        if: github.event_name != 'workflow_dispatch' || inputs.push_image
         uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
@@ -71,6 +63,6 @@ jobs:
           project: v9jv1mlpwc
           context: ./mcp_server
           platforms: linux/amd64,linux/arm64
-          push: ${{ github.event_name != 'workflow_dispatch' || inputs.push_image }}
+          push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}