Change cron schedule to run every 12 hours

Updated cron schedule to run every 12 hours instead of every 4 hours.

Author: marc-hanheide

.github/workflows/figshare-processing.yaml

@@ -12,7 +12,7 @@ on:
           - 'true'
           - 'false'
   schedule:
-    - cron: "30 */4 * * *"
+    - cron: "30 */12 * * *"
   push:
     branches:
       - main
@@ -82,7 +82,6 @@ jobs:
 
       - name: Save Cache from folder ./output
         uses: actions/cache/save@v5
-        if: always()
         with:
           path: ./output
           key: ${{ steps.cache-restore-output.outputs.cache-primary-key || 'cache-files' }}