[chore] Add missing changelog entry for open-telemetry#5577 (open-tel…

…emetry#5586)

Per
open-telemetry/opentelemetry-go-contrib#5868 (comment)

Co-authored-by: Sam Xie <sam@samxie.me>
Co-authored-by: Damien Mathieu <damien.mathieu@elastic.co>

CHANGELOG.md

@@ -8,6 +8,10 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [Unreleased]
 
+### Added
+
+- Add macOS ARM64 platform to the compatibility testing suite. (#5577)
+
 ### Fixed
 
 - Correct comments for the priority of the `WithEndpoint` and `WithEndpointURL` options and their corresponding environment variables in `go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp`. (#5584)
@@ -183,7 +187,7 @@ The next release will require at least [Go 1.21].
   This module includes OpenTelemetry Go's implementation of the Logs Bridge API.
   This module is in an alpha state, it is subject to breaking changes.
   See our [versioning policy](./VERSIONING.md) for more info. (#4961)
-- ARM64 platform to the compatibility testing suite. (#4994)
+- Add ARM64 platform to the compatibility testing suite. (#4994)
 
 ### Fixed