chore: Add changelog entry (EME-471)

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Co-Authored-By: Claude <noreply@anthropic.com>

Author: runningcode

CHANGELOG.md

@@ -6,6 +6,10 @@
 
 - Promote `sentry-cli build upload` command to non-experimental ([#2899](https://github.com/getsentry/sentry-cli/pull/2899), [#2905](https://github.com/getsentry/sentry-cli/pull/2905)).
 
+### Various fixes & improvements
+
+- Add CLI version metadata to build upload archives for debugging purposes ([#2890](https://github.com/getsentry/sentry-cli/pull/2890))
+
 ### Deprecations
 
 - Deprecated the `upload-proguard` subcommand's `--platform` flag ([#2863](https://github.com/getsentry/sentry-cli/pull/2863)). This flag appears to have been a no-op for some time, so we will remove it in the next major.