Update build-and-test.yml

Author: MikeMoolenaar

.github/workflows/build-and-test.yml

@@ -15,14 +15,15 @@ jobs:
   build-and-test:
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: FedericoCarboni/setup-ffmpeg@v1
     - name: Setup .NET
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: 8.0.x
+        cache: true
     - name: Restore dependencies
-      run: dotnet restore
+      run: dotnet restore --locked-mode
     - name: Build
       run: dotnet build --no-restore
     - name: Test