[ci] fix VS project files (#2924)

* Update LightGBM.vcxproj

* Update LightGBM.vcxproj.filters

windows/LightGBM.vcxproj

@@ -250,6 +250,7 @@
     <ClInclude Include="..\include\LightGBM\utils\common.h" />
     <ClInclude Include="..\include\LightGBM\utils\file_io.h" />
     <ClInclude Include="..\include\LightGBM\utils\json11.h" />
+    <ClInclude Include="..\include\LightGBM\utils\locale_context.h" />
     <ClInclude Include="..\include\LightGBM\utils\log.h" />
     <ClInclude Include="..\include\LightGBM\utils\openmp_wrapper.h" />
     <ClInclude Include="..\include\LightGBM\utils\pipeline_reader.h" />
@@ -325,4 +326,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file

windows/LightGBM.vcxproj.filters

@@ -138,6 +138,9 @@
     <ClInclude Include="..\include\LightGBM\utils\common.h">
       <Filter>include\LightGBM\utils</Filter>
     </ClInclude>
+    <ClInclude Include="..\include\LightGBM\utils\locale_context.h">
+      <Filter>include\LightGBM\utils</Filter>
+    </ClInclude>
     <ClInclude Include="..\include\LightGBM\utils\log.h">
       <Filter>include\LightGBM\utils</Filter>
     </ClInclude>
@@ -309,4 +312,4 @@
       <Filter>src\io</Filter>
     </ClCompile>
   </ItemGroup>
-</Project>
+</Project>
\ No newline at end of file