chore(anomaly detection): Downgrade logger.error to logger.info (#87298)

Downgrading this `logger.error` to a `logger.info` as they're all caused
by Seer not having enough data points. Closes
https://sentry.sentry.io/issues/5859668374

Author: ceorourke

src/sentry/seer/anomaly_detection/get_anomaly_data.py

@@ -92,7 +92,7 @@ def get_anomaly_data_from_seer(
         return None
 
     if response.status > 400:
-        logger.error(
+        logger.info(
             "Error when hitting Seer detect anomalies endpoint",
             extra={
                 "response_data": response.data,
@@ -129,7 +129,7 @@ def get_anomaly_data_from_seer(
         return None
 
     if not results.get("success"):
-        logger.error(
+        logger.info(
             "Error when hitting Seer detect anomalies endpoint",
             extra={
                 "error_message": results.get("message", ""),

tests/sentry/incidents/test_subscription_processor.py

@@ -973,7 +973,7 @@ def test_seer_call_bad_status(self, mock_logger, mock_seer_request):
             last_update=processor.last_update.timestamp(),
             aggregation_value=10,
         )
-        mock_logger.error.assert_called_with(
+        mock_logger.info.assert_called_with(
             "Error when hitting Seer detect anomalies endpoint",
             extra={
                 "subscription_id": self.sub.id,