MNT Upaded scheduled workflows on default branch

.github/workflows/dispatch-ci.yml

@@ -0,0 +1,21 @@
+name: Dispatch CI
+
+on:
+  # At 6:30 AM UTC, only on Monday and Tuesday
+  schedule:
+    - cron: '30 6 * * 1,2'
+
+permissions: {}
+
+jobs:
+  dispatch-ci:
+    name: Dispatch CI
+    # Only run cron on the colymba account
+    if: (github.event_name == 'schedule' && github.repository_owner == 'colymba') || (github.event_name != 'schedule')
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      actions: write
+    steps:
+      - name: Dispatch CI
+        uses: silverstripe/gha-dispatch-ci@v1

.github/workflows/merge-up.yml

@@ -1,17 +1,22 @@
 name: Merge-up
 
 on:
-  # At 11:55 PM UTC, only on Friday
+  # At 6:30 AM UTC, only on Friday
   schedule:
-    - cron: '55 23 * * 5'
+    - cron: '30 6 * * 5'
   workflow_dispatch:
 
+permissions: {}
+
 jobs:
   merge-up:
     name: Merge-up
     # Only run cron on the colymba account
     if: (github.event_name == 'schedule' && github.repository_owner == 'colymba') || (github.event_name != 'schedule')
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      actions: write
     steps:
       - name: Merge-up
         uses: silverstripe/gha-merge-up@v1