ci: bump bink to fdfdc863 (--target-imgref support)

Assisted-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: alicefr

.github/workflows/ci.yaml

@@ -8,7 +8,7 @@ on:
     branches: [main]
 
 env:
-  BINK_COMMIT: 2b1bbdca74fc36d319fb1ea6d0523d9a732fcb1f
+  BINK_COMMIT: fdfdc863d9f4e9caf83e56c06bf7f940cfb9f315
 
 permissions: {}