Fix Windows CI and minor display tweak

qt/launcher/src/main.rs

@@ -160,6 +160,7 @@ fn run() -> Result<()> {
     } else {
         // on Windows/macOS, the user needs to close the terminal/console
         // currently, but ideas on how we can avoid this would be good!
+        println!();
         println!("Anki will start shortly.");
         println!("\x1B[1mYou can close this window.\x1B[0m\n");
     }

qt/launcher/src/platform/windows.rs

@@ -100,7 +100,7 @@ pub fn finalize_uninstall() {
                     return;
                 }
                 Err(e) => {
-                    println!("Failed to launch uninstaller: {}", e);
+                    println!("Failed to launch uninstaller: {e}");
                     println!("You can manually run: {}", path.display());
                 }
             }