Upgrade Visual Studio and xcopy-msbuild version to 18.0 (#19098)

Updated vs to the latest available version and xcopy-msbuild to the latest available version on dotnet-eng within global.json

Co-authored-by: Adam Boniecki <[email protected]>

Author: benhopkinstech

global.json

@@ -11,12 +11,12 @@
   "tools": {
     "dotnet": "10.0.100-rc.2.25502.107",
     "vs": {
-      "version": "17.14",
+      "version": "18.0",
       "components": [
         "Microsoft.VisualStudio.Component.FSharp"
       ]
     },
-    "xcopy-msbuild": "17.14.16"
+    "xcopy-msbuild": "18.0.0"
   },
   "native-tools": {
     "perl": "5.38.2.2"