theme_importer: Output logs to `stderr` (#14890)

Mag Mell created

Will allow writing directly to a file without logging via `cargo run -p
theme_importer -- /path/to/file`

Release Notes:

- N/A

Change summary

crates/theme_importer/src/main.rs | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Detailed changes

crates/theme_importer/src/main.rs 🔗

@@ -106,7 +106,7 @@ fn main() -> Result<()> {
     TermLogger::init(
         LevelFilter::Trace,
         log_config,
-        TerminalMode::Mixed,
+        TerminalMode::Stderr,
         ColorChoice::Auto,
     )
     .expect("could not initialize logger");