Fix NuGet push to search only src directory for packages

Narrow the find path from `.` to `./src` to avoid accidentally pushing
unintended .nupkg files from outside the source tree.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Burgyn

.github/workflows/pipeline.yml

@@ -91,4 +91,4 @@ jobs:
         run: dotnet pack --configuration Release --no-build
 
       - name: Find and Publish NuGet Package
-        run: dotnet nuget push $(find . -type f -name "*.nupkg") --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate
+        run: dotnet nuget push $(find ./src -type f -name "*.nupkg") --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate