Update actions/setup-dotnet action to v5 (#107)

Author: phnx47-bot

.github/workflows/build-win.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: |
             6.0.x

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: |
             6.0.x