Merge pull request 1Panel-dev#516 from okxlin/renovate/b3log-siyuan-2.x

Update b3log/siyuan Docker tag to v2.10.15

Author: okxlin

apps/siyuan/2.10.14/.env.sample renamed to apps/siyuan/2.10.15/.env.sample

@@ -11,7 +11,7 @@ services:
       - "${DATA_PATH}:/siyuan/workspace"
     user: "1000:1000"
     command: "--workspace=/siyuan/workspace/"
-    image: b3log/siyuan:v2.10.14
+    image: b3log/siyuan:v2.10.15
     labels:  
       createdBy: "Apps"