[build] Update some deprecated Premake build code.

build/Tests.lua

@@ -94,7 +94,7 @@ function SetupTestGeneratorBuildEvent(name)
 end
 
 function SetupTestNativeProject(name, depends)
-  if string.starts(action, "vs") and not os.is("windows") then
+  if string.starts(action, "vs") and not os.ishost("windows") then
     return
   end
 
@@ -179,7 +179,7 @@ function SetupTestProjectsCLI(name, extraFiles, suffix)
 
     kind "SharedLib"
     language "C++"
-    flags { "Managed" }
+    clr "On"
 
     dependson { name .. ".Gen", name .. ".Native" }
     SetupTestGeneratorBuildEvent(name)

src/CppParser/Bindings/CLI/premake5.lua

@@ -8,7 +8,8 @@ project "CppSharp.Parser.CLI"
   SetupLLVMIncludes()
   
   dependson { "CppSharp.CppParser" }
-  flags { common_flags, "Managed" }
+  flags { common_flags }
+  clr "On"
 
   filter "action:vs*"
     buildoptions { clang_msvc_flags }  

src/CppParser/Bindings/premake5.lua

@@ -1,6 +1,6 @@
 include ("CSharp")
 
-if string.starts(action, "vs") and os.is("windows") then
+if string.starts(action, "vs") and os.ishost("windows") then
 
 include ("CLI")
 

src/CppParser/premake5.lua

@@ -6,7 +6,7 @@ clang_msvc_flags =
   "/wd4141", -- 'inline' : used more than once
 }
 
-if not (string.starts(action, "vs") and not os.is("windows")) then
+if not (string.starts(action, "vs") and not os.ishost("windows")) then
 
 project "CppSharp.CppParser"