move to openapiv3 v2.0.0-rc.1 (#4582)

Author: ahl

Cargo.lock

@@ -263,7 +263,7 @@ oxide-client = { path = "clients/oxide-client" }
 oxide-vpc = { git = "https://github.com/oxidecomputer/opte", rev = "258a8b59902dd36fc7ee5425e6b1fb5fc80d4649", features = [ "api", "std" ] }
 once_cell = "1.18.0"
 openapi-lint = { git = "https://github.com/oxidecomputer/openapi-lint", branch = "main" }
-openapiv3 = "1.0"
+openapiv3 = "2.0.0-rc.1"
 # must match samael's crate!
 openssl = "0.10"
 openssl-sys = "0.9"