build: bump anyhow from 1.0.48 to 1.0.51

Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.48 to 1.0.51.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](https://github.com/dtolnay/anyhow/compare/1.0.48...1.0.51)

---
updated-dependencies:
- dependency-name: anyhow
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

vfio_user/Cargo.toml

@@ -5,7 +5,7 @@ authors = ["The Cloud Hypervisor Authors"]
 edition = "2018"
 
 [dependencies]
-anyhow = "1.0.48"
+anyhow = "1.0.51"
 libc = "0.2.108"
 log = "0.4.14"
 serde = {version = ">=1.0.27", features = ["rc"] }