temp: force empty string

Co-authored-by: [ Cassondra ] <castastrophe@users.noreply.github.com>

Author: Melissa Thompson

.github/workflows/vrt.yml

@@ -24,7 +24,7 @@ jobs:
         runs-on: ubuntu-latest
         timeout-minutes: 20
         outputs:
-            storybook-url: ${{ steps.chromatic.outputs.storybookUrl || '' }}
+            storybook-url: ${{ inputs.skip ? '' : steps.chromatic.outputs.storybookUrl || '' }}
 
         steps:
             - name: Check out code