[libc++abi] Bump the libc++abi version and add it to the post-release list

Differential Revision: https://reviews.llvm.org/D119947

GitOrigin-RevId: 259c58d7d8fb33830ddf0573f0478d84d96aa6d7
diff --git a/include/cxxabi.h b/include/cxxabi.h
index eaa324d..770a8cb 100644
--- a/include/cxxabi.h
+++ b/include/cxxabi.h
@@ -19,7 +19,7 @@
 
 #include <__cxxabi_config.h>
 
-#define _LIBCPPABI_VERSION 1002
+#define _LIBCPPABI_VERSION 15000
 #define _LIBCXXABI_NORETURN  __attribute__((noreturn))
 #define _LIBCXXABI_ALWAYS_COLD __attribute__((cold))