chore: remove obsolete version field from docker-compose.yml

Remove deprecated 'version' field from docker-compose.yml to eliminate
warnings. This field has been obsolete since Compose v1.27.0 and is
ignored by modern Docker Compose versions.

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Co-Authored-By: AI Assistant <noreply@ai-assistant.com>

docker-compose.yml

@@ -1,5 +1,3 @@
-version: '3.8'
-
 services:
   couchdb:
     image: couchdb:3.3
@@ -95,7 +93,15 @@ services:
         condition: service_healthy
     restart: unless-stopped
     healthcheck:
-      test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:80"]
+      test:
+        [
+          "CMD",
+          "wget",
+          "--quiet",
+          "--tries=1",
+          "--spider",
+          "http://localhost:80",
+        ]
       interval: 30s
       timeout: 10s
       retries: 3