fix: remove --configfile from dotnet test/build commands (unsupported flag)

dotnet test and dotnet build do not support --configfile; it causes
exit code 1 on test runs. Keep --configfile only on restore/list/pack.

Author: MPCoreDeveloper

.github/workflows/ci.yml

@@ -82,17 +82,17 @@ jobs:
         Write-Host "No vulnerable NuGet packages detected."
       
     - name: Build
-      run: dotnet build SharpCoreDB.CI.slnf --configuration Release --no-restore /p:ContinuousIntegrationBuild=true --configfile NuGet.Config
+      run: dotnet build SharpCoreDB.CI.slnf --configuration Release --no-restore /p:ContinuousIntegrationBuild=true
 
     - name: Test SharpCoreDB.Tests
-      run: dotnet test tests/SharpCoreDB.Tests/SharpCoreDB.Tests.csproj --configuration Release --no-build --verbosity minimal --logger trx --results-directory ./TestResults/SharpCoreDB.Tests --collect:"XPlat Code Coverage" --filter "${{ env.CI_TEST_FILTER }}" --blame-hang --blame-hang-timeout 5m --configfile NuGet.Config
+      run: dotnet test tests/SharpCoreDB.Tests/SharpCoreDB.Tests.csproj --configuration Release --no-build --verbosity minimal --logger trx --results-directory ./TestResults/SharpCoreDB.Tests --collect:"XPlat Code Coverage" --filter "${{ env.CI_TEST_FILTER }}" --blame-hang --blame-hang-timeout 5m
       timeout-minutes: 30
       env:
         CI: "true"
         GITHUB_ACTIONS: "true"
 
     - name: Test SharpCoreDB.VectorSearch.Tests
-      run: dotnet test tests/SharpCoreDB.VectorSearch.Tests/SharpCoreDB.VectorSearch.Tests.csproj --configuration Release --no-build --verbosity minimal --logger trx --results-directory ./TestResults/SharpCoreDB.VectorSearch.Tests --collect:"XPlat Code Coverage" --filter "${{ env.CI_TEST_FILTER }}" --blame-hang --blame-hang-timeout 5m --configfile NuGet.Config
+      run: dotnet test tests/SharpCoreDB.VectorSearch.Tests/SharpCoreDB.VectorSearch.Tests.csproj --configuration Release --no-build --verbosity minimal --logger trx --results-directory ./TestResults/SharpCoreDB.VectorSearch.Tests --collect:"XPlat Code Coverage" --filter "${{ env.CI_TEST_FILTER }}" --blame-hang --blame-hang-timeout 5m
       timeout-minutes: 15
       env:
         CI: "true"