Increase Minimum Version of Visual Studio to 15.3.0

Author: jkotalik

JavaScriptServices.sln

@@ -2,7 +2,7 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
 VisualStudioVersion = 15.0.26730.0
-MinimumVisualStudioVersion = 10.0.40219.1
+MinimumVisualStudioVersion = 15.0.26730.03
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{27304DDE-AFB2-4F8B-B765-E3E2F11E886C}"
 	ProjectSection(SolutionItems) = preProject
 		src\Directory.Build.props = src\Directory.Build.props