Update master-ci.yml

Author: kklldog

.github/workflows/master-ci.yml

@@ -28,11 +28,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Setup .NET
-      uses: actions/setup-dotnet@v3
+    - uses: actions/checkout@v4
+    - name: setup .net
+      uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 8.0.412
+        dotnet-version: '8.0.x'
     - name: Restore dependencies
       run: dotnet restore
     - name: Build