CHANGELOG.md in opentelemetry-instrumentation-ethon-0.21.1 vs CHANGELOG.md in opentelemetry-instrumentation-ethon-0.21.2

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+ new

@@ -1,6 +1,10 @@
 # Release History: opentelemetry-instrumentation-ethon
 
+### v0.21.2 / 2023-07-21
+
+* ADDED: Update `opentelemetry-common` from [0.19.3 to 0.20.0](https://github.com/open-telemetry/opentelemetry-ruby-contrib/pull/537)
+
 ### v0.21.1 / 2023-06-05
 
 * FIXED: Base config options 
 
 ### v0.21.0 / 2023-04-17