whitelists: add v2025dev3 in DELTA_CHANNEL_IGNORELIST

No need to compute delta for this branch since we now focus on v2025pre.
Moreover, v2025dev3 will be released and therefore frozen soon.

Signed-off-by: Dylan Aïssi <dylan.aissi@collabora.com>

data/whitelists.yaml

@@ -871,6 +871,7 @@ whitelists:
 #      my-pkg: "1.0.0-1+apertis1~v2023"
   DELTA_CHANNEL_IGNORELIST:
     apertis/v2023: "Debian oldstable based Apertis release, delta are not relevant anymore"
+    apertis/v2025dev3: "Apertis development is now focusing on v2025pre, delta are not relevant anymore"
   trigger_updates:
     debian/bullseye: "Used as base for v2023"
     debian/bullseye-security: "Source of security updates for v2023"