tryfix workflow

Author: stratosblue

.github/workflows/PublishNugetPackage.yml

@@ -11,11 +11,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Setup .NET Core SDK
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: 6.0.x
+        dotnet-version: '7.0.x'
     - name: restore dependencies
       run: dotnet restore
     - name: build