chore: warn on ICY errors for debugging

src/now-playing/icy-now-playing.service.ts

@@ -46,7 +46,7 @@ export class IcyNowPlayingService {
           updatedAt: updated.updatedAt,
         });
       } catch (error) {
-        this.logger.debug(
+        this.logger.warn(
           `ICY failed for ${station.name}: ${error.message}`,
         );
       }