fix dockerfile path

Author: Temppus

.github/workflows/docker-ghcr-release.yml

@@ -38,7 +38,7 @@ jobs:
       uses: docker/build-push-action@v5
       with:
         context: .
-        file: Dockerfile
+        file: ../../SolutionAnalyzer.Mcp/Dockerfile
         push: true
         tags: |
           ghcr.io/${{ steps.repo_owner.outputs.repo_owner_lc }}/solution-analyzer:latest