Update crucible-pantry-client digest to 4639f8e

Author: oxide-renovate[bot]

Cargo.lock

@@ -418,7 +418,7 @@ crossterm = { version = "0.29.0", features = ["event-stream"] }
 # must also update the references in package-manifest.toml to match the new
 # revision.
 crucible-agent-client = { git = "https://github.com/oxidecomputer/crucible", rev = "7103cd3a3d7b0112d2949dd135db06fef0c156bb" }
-crucible-pantry-client = { git = "https://github.com/oxidecomputer/crucible", rev = "7103cd3a3d7b0112d2949dd135db06fef0c156bb" }
+crucible-pantry-client = { git = "https://github.com/oxidecomputer/crucible", rev = "4639f8e20b9a4be3f56d53e08b2331536dfdfbac" }
 crucible-smf = { git = "https://github.com/oxidecomputer/crucible", rev = "7103cd3a3d7b0112d2949dd135db06fef0c156bb" }
 crucible-common = { git = "https://github.com/oxidecomputer/crucible", rev = "7103cd3a3d7b0112d2949dd135db06fef0c156bb" }
 # NOTE: See above!