versions: update vmm-sys-util version

In order to use caret dependency, we should specify vmm-sys-util
dependency to the latest version (0.11.0)

fixes: #74

Signed-off-by: Chao Wu <chaowu@linux.alibaba.com>

Author: studychao

Cargo.toml

@@ -12,4 +12,4 @@ license = "Apache-2.0"
 fam-wrappers = ["vmm-sys-util"]
 
 [dependencies]
-vmm-sys-util = { version = ">=0.8.0", optional = true }
+vmm-sys-util = { version = "0.11.0", optional = true }