vhost-user-backend: prepare v0.18.0 release

This release
1. Adds support for `VHOST_USER_GET_SHARED_OBJECT`
2. Updates to vhost to 0.14.0, vm-memory 0.16.2 and vmm-sys-util to
   0.14.0

Signed-off-by: Babis Chalios <bchalios@amazon.es>

vhost-user-backend/CHANGELOG.md

@@ -1,14 +1,19 @@
 # Changelog
+
 ## [Unreleased]
 
+### Added
+### Changed
+### Deprecated
+### Fixed
+
+## v0.18.0
+
 ### Added
 - [[#268]](https://github.com/rust-vmm/vhost/pull/268) Add support for `VHOST_USER_GET_SHARED_OBJECT`
 
 ### Changed
-
-### Deprecated
-
-### Fixed
+- [[#295]](https://github.com/rust-vmm/vhost/pull/295) Updated vm-memory to 0.16.2 and vmm-sys-util to 0.14.0
 
 ## v0.17.0
 

vhost-user-backend/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "vhost-user-backend"
-version = "0.17.0"
+version = "0.18.0"
 authors = ["The Cloud Hypervisor Authors"]
 keywords = ["vhost-user", "virtio"]
 description = "A framework to build vhost-user backend service daemon"