Use korap/kalamar-conv instead of korap/kalamar

Change-Id: I9f8e0f7e8f3898b2dc304f8b09c08e44d0b2e153
diff --git a/docker-compose.yml b/docker-compose.yml
index 79a66bf..8dd8d9f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 version: '3.8'
 services:
   kalamar:
-    image: "korap/kalamar"
+    image: "korap/kalamar-conv"
     ports:
       - "64543:64543"
     environment: