Fix Linux build script targets

Author: nblumhardt

build.sh

@@ -7,8 +7,8 @@ dotnet restore
 
 echo "🤖 Attempting to build..."
 for path in src/**/*.csproj; do
-    dotnet build -f netstandard1.0 -c Release ${path}
     dotnet build -f netstandard1.3 -c Release ${path}
+    dotnet build -f netstandard2.0 -c Release ${path}
 done
 
 echo "🤖 Running tests..."