Fix

utils/find-first/action.yaml

@@ -71,5 +71,7 @@ runs:
       additionalArgs: ${{ inputs.additionalArgs }}
   - name: "Extract information about first file."
     id: extract
-    run: sh "${{ github.action_path }}/find-first.sh" "${{ steps.find.outputs.files }}"
+    run: |
+      bash "${{ github.action_path }}/find-first.sh" "${{ steps.find.outputs.files }}"
+      echo "$GITHUB_OUTPUT"
     shell: bash