build: Bump rust-vmm-ci to c3ef897

RuoqingHe · andreeaflorescu · commit 125acf815c6d · 2025-05-08T15:49:33.000+02:00
`bincode` is requiring rust toolchain with version &gt;= 1.85.0, bump
`rust-vmm-ci` to catch up.

Signed-off-by: Ruoqing He &lt;heruoqing@iscas.ac.cn&gt;
diff --git a/rust-vmm-ci b/rust-vmm-ci
@@ -1 +1 @@
-Subproject commit 2d733b05f04e667817091f9c6d0abf9acced7b7a
+Subproject commit c3ef8977388ccddb8c68b106737fa2c674b0d87a
