Update Rust crate camino to 1.2.1 (#572)

Co-authored-by: oxide-renovate[bot] <146848827+oxide-renovate[bot]@users.noreply.github.com>

Author: oxide-renovate[bot]

Cargo.toml

@@ -88,7 +88,7 @@ pretty-hex = "0.4"
 pretty_assertions = "1.4"
 lazy_static = "1.4"
 sled = "0.34"
-camino = "1.2.0"
+camino = "1.2.1"
 ciborium = "0.2.2"
 http = "1.3.1"
 http-body-util = "0.1"