Add 2.15.0 release notes (#156)

reta · web-flow · commit bcb9a308cb1b · 2024-06-12T12:54:01.000-07:00
diff --git a/release-notes/opensearch-custom-codecs.release-notes-2.15.0.0.md b/release-notes/opensearch-custom-codecs.release-notes-2.15.0.0.md
@@ -0,0 +1,7 @@
+## 2024-06-12 Version 2.15.0.0
+
+Compatible with OpenSearch 2.15.0
+
+### Features
+
+* Add hardware-accelerated codecs for DEFLATE and LZ4 
