Bump build id to 23.09.1

Change-Id: I13203459216475ea8cbb5858071785d8989c281e
diff --git a/core/build_id.mk b/core/build_id.mk
index 47303c5..7cf6218 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,4 +18,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-BUILD_ID=23.09.0
+BUILD_ID=23.09.1