Update ci.yml

Author: IVNSTN

.github/workflows/ci.yml

@@ -256,7 +256,7 @@ jobs:
         done
 
     - name: Remove dev config
-      if: ${{ matrix.app-dotnet == 'netcoreapp3.1 }}
+      if: ${{ matrix.app-dotnet == 'netcoreapp3.1' }}
       run: |
         rm "${{ steps.cli.outputs.download-path }}/*.dev.json"