west: mbedtls: Bump to 3.6.4

Bump mbetls to 3.6.4.

Signed-off-by: Flavio Ceolin <[email protected]>

Author: ceolin

west.yml

@@ -298,7 +298,7 @@ manifest:
       revision: 1ed1ddd881c3784049a92bb9fe37c38c6c74d998
       path: modules/lib/gui/lvgl
     - name: mbedtls
-      revision: 5f889934359deccf421554c7045a8381ef75298f
+      revision: 85440ef5fffa95d0e9971e9163719189cf34d979
       path: modules/crypto/mbedtls
       groups:
         - crypto