Update dotnet-core-release.yml

Author: kccarter76

.github/workflows/dotnet-core-release.yml

@@ -22,7 +22,7 @@ jobs:
       uses: actions/setup-dotnet@v1
       with:
         dotnet-version: 2.2.108
-    - name: Setup .NET Core 3.1.100
+    - name: Setup .NET Core 3.1.302
       uses: actions/setup-dotnet@v1
       with:
         dotnet-version: 3.1.302