fix(opentelemetry): batch_span_processor export zero length spans (#6349)

Co-authored-by: roketyyang <roketyyang@tencent.com>

Author: yangxikun

rockspec/apisix-master-0.rockspec

@@ -73,7 +73,7 @@ dependencies = {
     "inspect == 3.1.1",
     "lualdap = 1.2.6-1",
     "lua-resty-rocketmq = 0.3.0-0",
-    "opentelemetry-lua = 0.1-1",
+    "opentelemetry-lua = 0.1-2",
 }
 
 build = {