Update nightly.yml

Author: MatthiasHertelArm

.github/workflows/nightly.yml

@@ -4,9 +4,11 @@ name: Nightly CI
 on:
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
+  schedule:
+    # * is a special character in YAML so you have to quote this string
+    - cron:  '0 0 * * *'
 
-run-name: mlplatform.org nightly n$(date +'%y%m%d') to pack ${{ inputs.revision }}${{ inputs.candidate_rev }} by @${{ github.actor }}
-
+run-name: mlplatform.org nightly by @${{ github.actor }}
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs: