Rollup merge of #65002 - alexcrichton:update-lvlm, r=nikic

Update llvm-project submodule

Bring in rust-lang/llvm-project#24 which brings in some wasm
improvements related to the bulk-memory proposal

diff --git a/src/llvm-project b/src/llvm-project
index 8adf9bdccfefb8d03f0e8db3b012fb41da1580a4..8473db5f2af9dc36aaf6f9b053fcc2e0e6ac8026 160000 (submodule)
--- a/src/llvm-project
+++ b/src/llvm-project
@@ -1 +1 @@
-Subproject commit 8adf9bdccfefb8d03f0e8db3b012fb41da1580a4
+Subproject commit 8473db5f2af9dc36aaf6f9b053fcc2e0e6ac8026