fix: apply automatic clippy fixes across workspace

win-nvim/build.rs

@@ -16,5 +16,5 @@ fn main() {
         .unwrap_or_else(|| "unknown".to_string());
 
     let version = format!("{} ({})", git_date.trim(), git_hash.trim());
-    println!("cargo:rustc-env=APP_VERSION={}", version);
+    println!("cargo:rustc-env=APP_VERSION={version}");
 }

win-nvim/tests/integration_test.rs

@@ -4,7 +4,7 @@ use std::process::{Command, Stdio};
 
 fn send_message(stdin: &mut std::process::ChildStdin, msg: Value) {
     let s = serde_json::to_string(&msg).unwrap();
-    stdin.write_all(format!("{}\n", s).as_bytes()).unwrap();
+    stdin.write_all(format!("{s}\n").as_bytes()).unwrap();
     stdin.flush().unwrap();
 }