dep: Update actions/setup-dotnet action to v4 (#221)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/CI.yaml

@@ -10,7 +10,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Setup .NET
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: 8.0.x
 
@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: 8.0.x
 
@@ -50,7 +50,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: 8.0.x
 
@@ -93,7 +93,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: 8.0.x