fix(service): Update image version & healthcheck start period

templates/compose/siyuan.yaml

@@ -6,7 +6,7 @@
 
 services:
   siyuan:
-    image: b3log/siyuan
+    image: b3log/siyuan:v3.3.5
     volumes:
       - 'siyuan_workspace:/siyuan/workspace'
     environment:
@@ -25,4 +25,4 @@ services:
       interval: 15s
       timeout: 10s
       retries: 5
-      start_period: 40s
+      start_period: 20s