chore: Add schedule

.github/workflows/build.yml

@@ -1,6 +1,12 @@
 name: Earthly main branch +all
 
+concurrency: 
+  group: ${{ github.workflow }}-main
+  cancel-in-progress: true
+
 on:
+  schedule:
+    - cron: "00 17 * * *" # build at 17:00 UTC every day
   workflow_dispatch:
   push:
     branches:
@@ -16,22 +22,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      # There is a bug selecting a satellite in version 0.8
-      # so we use 0.7 to login and connect to the satellite
-      # before switching to the latest version
-      - uses: earthly/actions-setup@v1
-        with:
-          version: v0.7.23
-
-      - name: Earthly login
-        run: |
-          earthly account login --token ${{ secrets.EARTHLY_SAT_TOKEN }} >> /dev/null
-          earthly org s blue-build
-          earthly sat s earthly-lib
-
       - uses: earthly/actions-setup@v1
-        with:
-          version: v0.8.2
 
       # Setup repo and add caching
       - uses: actions/checkout@v4