fix: change log-level to info for filterExistingFlagNames

Author: ivarconr

src/lib/features/metrics/client-metrics/metrics-service-v2.ts

@@ -122,7 +122,7 @@ export default class ClientMetricsServiceV2 {
                     validNames.includes(name),
                 );
                 if (existingNames.length !== toggleNames.length) {
-                    this.logger.warn(
+                    this.logger.info(
                         `Filtered out ${toggleNames.length - existingNames.length} toggles with non-existing names`,
                     );
                 }