logo-detection: upgrade bullseye to bookworm

Upgrade OS from bullseye back to bookworm to since model
loading permission issue was resolved by updating Keras.

Bug: T362749
Change-Id: Icc95c08fcb91bea6dd6ed4b91e7ec70d54cc9a22

.pipeline/logo_detection/blubber.yaml

@@ -1,6 +1,6 @@
 # syntax=docker-registry.wikimedia.org/repos/releng/blubber/buildkit:v0.22.0
 version: v4
-base: docker-registry.wikimedia.org/bullseye:20240407
+base: docker-registry.wikimedia.org/bookworm:20240414
 runs:
   insecurely: true
   environment: