Update xamlstyler.console to 3.2501.8 and remove .NET 6 workarounds

- Bump xamlstyler.console from 3.2206.4 to 3.2501.8 in both root and tooling
- Remove .NET 6 SDK installation step from build workflow
- Fixes .NET 6 compatibility issues

Author: Arlodotexe

.config/dotnet-tools.json

@@ -9,7 +9,7 @@
       ]
     },
     "xamlstyler.console": {
-      "version": "3.2206.4",
+      "version": "3.2501.8",
       "commands": [
         "xstyler"
       ]

.github/workflows/build.yml

@@ -34,12 +34,6 @@ jobs:
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      # .NET 6 SDK is required for xamlstyler.console to run.
-      - name: Install .NET SDK v6
-        uses: actions/setup-dotnet@v4
-        with:
-          dotnet-version: 6.0.x
-
       - name: Install .NET SDK v${{ env.DOTNET_VERSION }}
         uses: actions/setup-dotnet@v4
         with: