add changelog fragment

weizhikuan · weizhikuan · commit 12d44c07ce9f · 2026-05-14T10:11:39.000-04:00
diff --git a/.changelog/4572.added b/.changelog/4572.added
@@ -0,0 +1 @@
+`opentelemetry-instrumentation-aiohttp-client`: add optional `http.client.response.body.size` span attribute & metric to the aiohttp client instrumentation

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	`1`	+`opentelemetry-instrumentation-aiohttp-client`: add optional `http.client.response.body.size` span attribute & metric to the aiohttp client instrumentation