Does this make rchk run regardless?

Author: jennybc

.github/workflows/rhub.yaml

@@ -50,7 +50,7 @@ jobs:
     # NO NEED TO CHECKOUT HERE
     - uses: r-hub/actions/setup@v1
       with:
-        config: ${{ github.event.inputs.config }}
+        config: ${{ github.event.inputs.config || 'rchk' }}
       id: rhub-setup
 
   linux-containers: