bump runtime to 16

Ghost-chu · Ghost-chu · commit 49af07fa91ef · 2021-10-31T13:49:11.000+08:00
diff --git a/.deepsource.toml b/.deepsource.toml
@@ -17,4 +17,4 @@ name = "java"
 enabled = true
 
   [analyzers.meta]
-  runtime_version = "11"
+  runtime_version = "16"
