update ci

.github/workflows/build-test.yml

@@ -12,11 +12,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Setup .NET
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 6.x.x
+        dotnet-version: 8.x.x
     - name: make script executable
       run: chmod u+x build.sh
     - name: Build and test
@@ -28,16 +28,16 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Setup .NET
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 6.x.x
+        dotnet-version: 8.x.x
     - name: Build and test
       working-directory: ./
       run: ./build.cmd runtestswithcodecov
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v2
+      uses: codecov/codecov-action@v4
       with:
         directory: ./
         files: ./codeCov.xml