cargo: update whoami dependency to 1.5.0

This requires a code tweak to avoid clippy failures, as `whoami` 1.5.0 has
deprecated the default `hostname()` function.

Signed-off-by: Austin Seipp <aseipp@pobox.com>

Cargo.lock

@@ -3235,6 +3235,12 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasite"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8dad83b4f25e74f184f64c43b150b91efe7647395b42289f38e50566d82855b"
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.90"
@@ -3331,11 +3337,12 @@ dependencies = [
 
 [[package]]
 name = "whoami"
-version = "1.4.1"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22fc3756b8a9133049b26c7f61ab35416c130e8c09b660f5b3958b446f52cc50"
+checksum = "0fec781d48b41f8163426ed18e8fc2864c12937df9ce54c88ede7bd47270893e"
 dependencies = [
- "wasm-bindgen",
+ "redox_syscall",
+ "wasite",
  "web-sys",
 ]
 

lib/src/settings.rs

@@ -183,7 +183,7 @@ impl UserSettings {
     pub fn operation_hostname(&self) -> String {
         self.config
             .get_string("operation.hostname")
-            .unwrap_or_else(|_| whoami::hostname())
+            .unwrap_or_else(|_| whoami::fallible::hostname().expect("valid hostname"))
     }
 
     pub fn operation_username(&self) -> String {