update rev

Masahiro Masuda · Masahiro Masuda · commit 60d29dc92311 · 2023-09-27T15:08:00.000+09:00
diff --git a/3rdparty/libflash_attn b/3rdparty/libflash_attn
@@ -1 +1 @@
-Subproject commit aaf92298f1a8d60f33824e059e70b6e72c73e0ff
+Subproject commit 63cce0ca8fa6bfca1982b342588273641cc5b86b
