Fix include order in base2_exponential_histogram_aggregation.h

Author: felipesantosk

sdk/include/opentelemetry/sdk/metrics/aggregation/base2_exponential_histogram_aggregation.h

@@ -7,8 +7,8 @@
 #include <memory>
 
 #include "opentelemetry/common/spin_lock_mutex.h"
-#include "opentelemetry/sdk/metrics/aggregation/aggregation_config.h"
 #include "opentelemetry/sdk/metrics/aggregation/aggregation.h"
+#include "opentelemetry/sdk/metrics/aggregation/aggregation_config.h"
 #include "opentelemetry/sdk/metrics/aggregation/base2_exponential_histogram_indexer.h"
 #include "opentelemetry/sdk/metrics/data/circular_buffer.h"
 #include "opentelemetry/sdk/metrics/data/metric_data.h"