try with latest gh action versions

Author: mythz

.github/workflows/build.yml

@@ -13,15 +13,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
 
       - name: setup .net core
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v5
         with:
-          dotnet-version: '8.0.x'
-
-      - name: Clear NuGet cache
-        run: dotnet nuget locals all --clear
+          dotnet-version: 8.0.x
 
       - name: build
         working-directory: ./MyApp