Bump num_cpus

Author: lnicola

Cargo.lock

@@ -33,7 +33,7 @@ serde = { version = "1.0.137", features = ["derive"] }
 serde_json = { version = "1.0.81", features = ["preserve_order"] }
 threadpool = "1.8.1"
 rayon = "1.5.3"
-num_cpus = "1.13.1"
+num_cpus = "1.15.0"
 mimalloc = { version = "0.1.30", default-features = false, optional = true }
 lsp-server = { version = "0.7.0", path = "../../lib/lsp-server" }
 tracing = "0.1.35"