Make building back to daily, but add rechunking param to reduce image sizes

.github/workflows/build-nvidia.yml

@@ -28,3 +28,4 @@ jobs:
 
           # enabled by default, disable if your image is small and you want faster builds
           maximize_build_space: true
+          rechunk: true

.github/workflows/build.yml

@@ -2,7 +2,7 @@ name: bluebuild
 on:
   schedule:
     - cron:
-        "00 06 * * 1" # build at 06:00 UTC every Monday
+        "00 06 * * *" # build at 06:00 UTC every Monday
         # (20 minutes after last ublue images start building)
   push:
     branches:
@@ -42,3 +42,4 @@ jobs:
 
           # enabled by default, disable if your image is small and you want faster builds
           maximize_build_space: true
+          rechunk: true