Update publish-package.yml

Change to windows-latest container in order to support  .NET48

Author: rajeshjn

.github/workflows/publish-package.yml

@@ -7,7 +7,7 @@ on:
 jobs:
   publish:
 
-    runs-on: ubuntu-latest
+    runs-on: windows-latest
 
     steps:
     - uses: actions/checkout@v3
@@ -16,7 +16,6 @@ jobs:
       with:
         dotnet-version:  | 
             3.1.x
-            5.0.x
             6.0.x
     - name: Test
       run: ./build.cmd Test --configuration Release --root .