[PRMP-1567] Make string to match other file

Author: robg-test

.github/workflows/base-run-bulk-upload.yml

@@ -26,8 +26,8 @@ on:
       file-count:
         description: "How many files per patient to generate."
         required: true
-        type: "number"
-        default: 1
+        type: "string"
+        default: "1"
 
 jobs:
   perform-bulk-upload: