Advance sush to the availability fixes

Pins sush#60 (availability-fixes, 025ed3d): job loop never blocks on
a client socket, home-only proxy routing, bounded streaming drains
and abandonment, target preflight, and SIGTERM before SIGKILL on
job stop.

Co-Authored-By: Claude Mythos 5 <noreply@anthropic.com>

Author: plotnick

Cargo.lock

@@ -855,9 +855,9 @@ subtle = "2.6.1"
 supports-color = "3.0.2"
 support-bundle-collection = { path = "support-bundle-collection" }
 support-bundle-viewer = "0.1.2"
-sush-api = { git = "https://github.com/oxidecomputer/sush", rev = "b989655d14900e5c4adba8a1f85ac6274da22744" }
-sush-common = { git = "https://github.com/oxidecomputer/sush", rev = "b989655d14900e5c4adba8a1f85ac6274da22744" }
-sush-server = { git = "https://github.com/oxidecomputer/sush", rev = "b989655d14900e5c4adba8a1f85ac6274da22744", features = ["embedded"] }
+sush-api = { git = "https://github.com/oxidecomputer/sush", rev = "025ed3deae87bf1c0116cbf89208b7461ae535b5" }
+sush-common = { git = "https://github.com/oxidecomputer/sush", rev = "025ed3deae87bf1c0116cbf89208b7461ae535b5" }
+sush-server = { git = "https://github.com/oxidecomputer/sush", rev = "025ed3deae87bf1c0116cbf89208b7461ae535b5", features = ["embedded"] }
 swrite = "0.1.0"
 sync-ptr = "0.1.4"
 libsw = { version = "3.5.0", features = ["tokio"] }