infra: prepare for release 0.2.15 [generated] [skip ci]

Signed-off-by: Aaron Pham <29749331+aarnphm@users.noreply.github.com>

CHANGELOG.md

@@ -18,6 +18,10 @@ This changelog is managed by towncrier and is compiled at release time.
 
 <!-- towncrier release notes start -->
 
+## [0.2.15](https://github.com/bentoml/openllm/tree/v0.2.15)
+No significant changes.
+
+
 ## [0.2.14](https://github.com/bentoml/openllm/tree/v0.2.14)
 
 ### Bug fix

package.json

@@ -1,6 +1,6 @@
 {
   "name": "openllm",
-  "version": "0.2.15.dev0",
+  "version": "0.2.15",
   "description": "OpenLLM: Your one stop-and-go solution for serving Large Language Model",
   "repository": "git@github.com:llmsys/OpenLLM.git",
   "author": "Aaron Pham <29749331+aarnphm@users.noreply.github.com>",