Fix solution and project paths in CI workflow

Author: Taha Zahit Hakyemez

.github/workflows/dotnet.yml

@@ -18,9 +18,9 @@ jobs:
       with:
         dotnet-version: 6.0.x
     - name: Restore dependencies
-      run: dotnet restore BiMap/BiMap/BiMap.sln
+      run: dotnet restore BiMap/BiMap.sln
     - name: Build
-      run: dotnet build --no-restore BiMap/BiMap/BiMap.sln --configuration Release
+      run: dotnet build --no-restore BiMap/BiMap.sln --configuration Release
 
   deploy:
     runs-on: ubuntu-latest
@@ -33,6 +33,6 @@ jobs:
       with:
         dotnet-version: 6.0.x
     - name: Pack
-      run: dotnet pack BiMap/BiMap/BiMap/BiMap.csproj --configuration Release --output nuget-packages
+      run: dotnet pack BiMap/BiMap/BiMap.csproj --configuration Release --output nuget-packages
     - name: Publish to NuGet
       run: dotnet nuget push "nuget-packages/*.nupkg" --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json