update Miri

diff --git a/src/tools/miri b/src/tools/miri
index 5c823a1ec1eb3ff89bcbcb6c1fa8e1f8b24eb521..26baf87e4300386910f9db7545edf784dbec88f0 160000 (submodule)
--- a/src/tools/miri
+++ b/src/tools/miri
@@ -1 +1 @@
-Subproject commit 5c823a1ec1eb3ff89bcbcb6c1fa8e1f8b24eb521
+Subproject commit 26baf87e4300386910f9db7545edf784dbec88f0