FIx lint issues in cloud monitoring exporter and add changelog entry

Author: DylanRussell

opentelemetry-exporter-gcp-logging/CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+Added support for when `bytes` or `list['bytes']` is in `LogRecord.body` and
+body is of type Mapping.
+
 ## Version 1.9.0a0
 
 Released 2025-02-03

opentelemetry-exporter-gcp-monitoring/src/opentelemetry/exporter/cloud_monitoring/__init__.py

@@ -55,6 +55,8 @@
 )
 from opentelemetry.sdk import version as opentelemetry_sdk_version
 from opentelemetry.sdk.metrics.export import (
+    ExponentialHistogram,
+    ExponentialHistogramDataPoint,
     Gauge,
     Histogram,
     HistogramDataPoint,
@@ -209,6 +211,12 @@ def _get_metric_descriptor(
             descriptor.metric_kind = MetricDescriptor.MetricKind.GAUGE
         elif isinstance(data, Histogram):
             descriptor.metric_kind = MetricDescriptor.MetricKind.CUMULATIVE
+        elif isinstance(data, ExponentialHistogram):
+            logger.warning(
+                "Unsupported metric data type %s, ignoring it",
+                type(data).__name__,
+            )
+            return None
         else:
             # Exhaustive check
             _: NoReturn = data
@@ -342,6 +350,10 @@ def export(
                         continue
 
                     for data_point in metric.data.data_points:
+                        if isinstance(
+                            data_point, ExponentialHistogramDataPoint
+                        ):
+                            continue
                         labels = {
                             _normalize_label_key(key): str(value)
                             for key, value in (