add priority option in case some tool has inconsistent issue

config.yaml

@@ -19,6 +19,9 @@ upstream:
   match:
     match: /ubuntu/(.*)
     replace: /$1
+  # priority-groups:
+  # - match: /dists/.*
+  #   priority: 10
 - server: https://releases.ubuntu.com/
   match:
     match: /ubuntu-releases/(.*)
@@ -51,10 +54,6 @@ upstream:
   match:
     match: /alpine/(.*)
     replace: /$1
-- server: https://deb.debian.org/debian
-  match:
-    match: /debian/(.*)
-    replace: /$1
 - server: https://repo.almalinux.org
   match:
     match: /almalinux/(.*)
@@ -71,6 +70,9 @@ upstream:
   match:
     match: /(debian|debian-security)/(.*)
     replace: /$1/$2
+  # priority-groups:
+  # - match: /dists/.*
+  #   priority: 10
 - server: https://static.rust-lang.org
   match:
     match: /rust-static/(.*)