fix: use custom image tag for precompute query engine

The published v0.2.0 image doesn't have --streaming-engine=precompute.
Use v0.2.0-precompute tag for the locally built image with the new
streaming engine variant.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: zz_y

asap-quickstart/docker-compose-precompute.yml

@@ -100,7 +100,7 @@ services:
   #############################################################################
 
   queryengine:
-    image: ghcr.io/projectasap/asap-query-engine:v0.2.0
+    image: ghcr.io/projectasap/asap-query-engine:v0.2.0-precompute
     container_name: asap-queryengine
     hostname: queryengine
     networks: