Fix vcpkg log folder

Author: florelis

azure-pipelines.yml

@@ -151,7 +151,7 @@ jobs:
   - task: CopyFiles@2
     displayName: Copy vcpkg logs
     inputs:
-      SourceFolder: src\vcpkg_installed\vcpkg\blds
+      SourceFolder: $(VCPKG_INSTALL_ROOT)\buildtrees
       Contents: '**\*.log'
       TargetFolder: '$(artifactsDir)\vcpkg'
 
@@ -650,7 +650,7 @@ jobs:
   - task: CopyFiles@2
     displayName: Copy vcpkg logs
     inputs:
-      SourceFolder: src\vcpkg_installed\vcpkg\blds
+      SourceFolder: $(VCPKG_INSTALL_ROOT)\buildtrees
       Contents: '**\*.log'
       TargetFolder: '$(artifactsDir)\vcpkg'