UnitsNet.Uwp.nuspec: Change id to UnitsNet.WindowsRuntimeComponent

Author: angularsen

Build/UnitsNet.Uwp.nuspec

@@ -2,7 +2,7 @@
 
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
   <metadata>
-    <id>UnitsNet.Uwp</id>
+    <id>UnitsNet.WindowsRuntimeComponent</id>
     <version>3.30.0-alpha3</version>
     <title>Units.NET - Windows Runtime Component</title>
     <authors>Andreas Gullberg Larsen</authors>