Add Ktor BOM for dependency management across all modules, run Kotlin-MCP-Server Sample (#367)

## Motivation and Context
- 📦 Unifies Ktor library versioning by introducing the Ktor BOM
dependency.
- ✅  Re-enable build of MCP Server Sample

## How Has This Been Tested?
Regression tests

## Breaking Changes
No

## Types of changes
<!-- What types of changes does your code introduce? Put an `x` in all
the boxes that apply: -->
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update
- [x] Build configuration update

## Checklist
<!-- Go over all the following points, and put an `x` in all the boxes
that apply. -->
- [x] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [x] My code follows the repository's style guidelines
- [x] New and existing tests pass locally
- [x] I have added appropriate error handling
- [x] I have added or updated documentation as needed

## Additional context
<!-- Add any other context, implementation notes, or design decisions
-->

.github/workflows/build.yml

@@ -49,9 +49,9 @@ jobs:
         working-directory: ./samples/kotlin-mcp-client
         run: ./gradlew --no-daemon clean build -Pmcp.kotlin.overrideVersion=0.0.1-SNAPSHOT
 
-#      - name: Build Kotlin-MCP-Server Sample
-#        working-directory: ./samples/kotlin-mcp-server
-#        run: ./gradlew --no-daemon clean build -Pmcp.kotlin.overrideVersion=0.0.1-SNAPSHOT
+      - name: Build Kotlin-MCP-Server Sample
+        working-directory: ./samples/kotlin-mcp-server
+        run: ./gradlew --no-daemon clean build -Pmcp.kotlin.overrideVersion=0.0.1-SNAPSHOT
 
       - name: Build Weather-Stdio-Server Sample
         working-directory: ./samples/weather-stdio-server