Bump p256 from 0.9.0 to 0.10.0

Bumps [p256](https://github.com/RustCrypto/elliptic-curves) from 0.9.0 to 0.10.0.
- [Release notes](https://github.com/RustCrypto/elliptic-curves/releases)
- [Commits](RustCrypto/elliptic-curves@p256/v0.9.0...p256/v0.10.0)

---
updated-dependencies:
- dependency-name: p256
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -16,7 +16,7 @@ futures = "0.3.18"
 ipnetwork = "0.18"
 nexus-client = { path = "../nexus-client" }
 omicron-common = { path = "../common" }
-p256 = "0.9.0"
+p256 = "0.10.0"
 percent-encoding = "2.1.0"
 progenitor = { git = "https://github.com/oxidecomputer/progenitor" }
 propolis-client = { git = "https://github.com/oxidecomputer/propolis", rev = "00ec8cf18f6a2311b0907f0b16b0ff8a327944d1" }