Bump luatest to 0.5.7-44-g2d51155

Oleg Chaplashkin · ylobankov · commit 22951e007965 · 2023-08-28T20:17:27.000+03:00
New version includes the following commits related to luatest functionality: - Do not raise error in save_artifacts function [1] [1] tarantool/luatest@2d51155
diff --git a/lib/luatest b/lib/luatest
@@ -1 +1 @@
-Subproject commit 251b35f143572b8d7452e2b0958597b59331e788
+Subproject commit 2d51155370ec59dc39ece1dbba4ddf915dfa1eac
