style: workflow name and input description

Author: andhreljaKern

.github/workflows/dc_registry_delete_bulk.yml

@@ -1,12 +1,12 @@
-name: 'DC: Bulk Delete Registry Images'
+name: 'DC: Delete Registry Images (Bulk)'
 
 on:
   workflow_dispatch:
     inputs:
       delete_since_days:
         required: false
         type: string
-        description: "Delete images older than the specified number of days and exit gracefully"
+        description: "Delete older than (days)"
         default: ''
 
 env: