Update vhost requirement from 0.3 to 0.4

[dependabot[bot]]

Updates the requirements on vhost to permit the latest version.

Release notes

Sourced from vhost's releases.

v0.4.0

Added

• #109 vhost_kern: vdpa: Override the implementation of valid()

Fixed

• #102 Fix warnings and update test coverage
• #104 fix CODEOWNERS file
• #107 vhost_kern/vdpa: fix get_iova_range()

Changelog

Sourced from vhost's changelog.

[v0.4.0]

Added

• [#109](rust-vmm/vhost#109) vhost_kern: vdpa: Override the implementation of valid()

Fixed

• [#102](rust-vmm/vhost#102) Fix warnings and update test coverage
• [#104](rust-vmm/vhost#104) fix CODEOWNERS file
• [#107](rust-vmm/vhost#107) vhost_kern/vdpa: fix get_iova_range()

[v0.3.0]

Added

• [#92](rust-vmm/vhost#92) implement vhost_net backend
• [#97](rust-vmm/vhost#97) add method to restore Vdpa objects

Changed

• [#90](rust-vmm/vhost#90) add vdpa and vhost-vdpa simple description
• [#90](rust-vmm/vhost#90) use vmm_sys_util::fam for vhost_vdpa_config
• [#95](rust-vmm/vhost#95) relax vm-memory dependency
• [#98](rust-vmm/vhost#98) generate documentation for doc.rs with all features enabled

Fixed

• [#98](rust-vmm/vhost#98) fix a bug in SlaveReqHandler::set_config() which passes wrong configuration data to backend

Deprecated

• [#90](rust-vmm/vhost#90) remove parse_iotlb_msg

[v0.2.0]

Added

• [#74](rust-vmm/vhost#74) Implement FromRawFd for Listener

• [#33](rust-vmm/vhost#33) Add vhost-vDPA support (in-kernel)

Changed

• [#68](rust-vmm/vhost#68) Enforce ByteValued for received structs

[v0.1.0]

First release

Commits

• 7772f02 Release v0.4.0
• 4fa4356 vhost_kern: vdpa: Override valid()
• 171603c build(deps): bump rust-vmm-ci from d216a46 to 99fe2eb
• c605e7a vhost_kern/vdpa: fix get_iova_range()
• 4bc87ad fix CODEOWNERS file
• 8b4f6d4 Fix warnings and adjust test coverage
• 8b4e5d8 build(deps): bump rust-vmm-ci from b6858b2 to d216a46
• 4e1101f build(deps): bump rust-vmm-ci from aee82cf to b6858b2
• See full diff in compare view

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