Bump luatest to 0.5.7-40-g4aecd8e

Oleg Chaplashkin · ylobankov · commit be693d1b11f0 · 2023-07-05T16:50:15.000+04:00
New version includes the following commits related to luatest functionality: - Fix detect tarantool crash at exit [1] [1] tarantool/luatest@4aecd8e
diff --git a/lib/luatest b/lib/luatest
@@ -1 +1 @@
-Subproject commit 89da427f8bb3bb66e01d2a7b5a9370d0428d8c52
+Subproject commit 4aecd8e7dacd4ec7709659e64643911fe9e37a87
