Update procfs from 0.15.1 to 0.16.0

Summary:
Release notes:
https://github.com/eminence/procfs/releases/tag/v0.16.0

Reviewed By: ship-it-ship-it

Differential Revision: D94524485

fbshipit-source-id: 597621d260fbbf12c6086e2136d0c867de9196b7

Author: David Tolnay

shed/buffered_weighted/Cargo.toml

@@ -23,4 +23,4 @@ tokio = { version = "1.47.1", features = ["full", "test-util", "tracing"] }
 tokio-stream = { version = "0.1.18", features = ["fs", "io-util", "net", "signal", "sync", "time"] }
 
 [target.'cfg(target_os = "linux")'.dependencies]
-procfs = "0.15.1"
+procfs = "0.16.0"