proto update

Signed-off-by: Jay DeLuca <jaydeluca4@gmail.com>

Author: jaydeluca

integration-tests/it-exporter/it-exporter-test/src/test/java/io/prometheus/metrics/it/exporter/test/DuplicateMetricsIT.java

@@ -3,7 +3,7 @@
 import static org.assertj.core.api.Assertions.assertThat;
 
 import io.prometheus.client.it.common.ExporterTest;
-import io.prometheus.metrics.expositionformats.generated.com_google_protobuf_4_33_4.Metrics;
+import io.prometheus.metrics.expositionformats.generated.com_google_protobuf_4_33_5.Metrics;
 import java.io.IOException;
 import java.net.URISyntaxException;
 import java.util.List;