Replace tempfile with tempdir

cli/src/invocation/cmd/sync.rs

@@ -15,13 +15,13 @@ pub(crate) fn execute<W: WriteColor>(
 mod test {
     use super::*;
     use crate::invocation::test::*;
-    use tempdir::TempDir;
+    use tempfile::TempDir;
 
     #[test]
     fn test_add() {
         let mut w = test_writer();
         let mut replica = test_replica();
-        let server_dir = TempDir::new("test").unwrap();
+        let server_dir = TempDir::new().unwrap();
         let mut server = test_server(&server_dir);
 
         // Note that the details of the actual sync are tested thoroughly in the taskchampion crate

cli/src/invocation/test.rs

@@ -1,6 +1,6 @@
 use std::io;
 use taskchampion::{storage, Replica, Server, ServerConfig};
-use tempdir::TempDir;
+use tempfile::TempDir;
 
 pub(super) fn test_replica() -> Replica {
     let storage = storage::InMemoryStorage::new();