ref: Add external contributor to CHANGELOG.md

[github-actions]

This PR adds the external contributor to the CHANGELOG.md file, so that they are credited for their contribution. See #13209

[github-actions]

size-limit report 📦

Path	Size
@sentry/browser	22.5 KB (added)
@sentry/browser (incl. Tracing)	34.3 KB (added)
@sentry/browser (incl. Tracing, Replay)	70.52 KB (added)
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags	63.83 KB (added)
@sentry/browser (incl. Tracing, Replay with Canvas)	74.91 KB (added)
@sentry/browser (incl. Tracing, Replay, Feedback)	87.54 KB (added)
@sentry/browser (incl. Tracing, Replay, Feedback, metrics)	89.36 KB (added)
@sentry/browser (incl. metrics)	26.81 KB (added)
@sentry/browser (incl. Feedback)	39.47 KB (added)
@sentry/browser (incl. sendFeedback)	27.13 KB (added)
@sentry/browser (incl. FeedbackAsync)	31.79 KB (added)
@sentry/react	25.26 KB (added)
@sentry/react (incl. Tracing)	37.29 KB (added)
@sentry/vue	26.65 KB (added)
@sentry/vue (incl. Tracing)	36.14 KB (added)
@sentry/svelte	22.64 KB (added)
CDN Bundle	23.73 KB (added)
CDN Bundle (incl. Tracing)	35.97 KB (added)
CDN Bundle (incl. Tracing, Replay)	70.36 KB (added)
CDN Bundle (incl. Tracing, Replay, Feedback)	75.6 KB (added)
CDN Bundle - uncompressed	69.61 KB (added)
CDN Bundle (incl. Tracing) - uncompressed	106.54 KB (added)
CDN Bundle (incl. Tracing, Replay) - uncompressed	218.05 KB (added)
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed	230.94 KB (added)
@sentry/nextjs (client)	37.16 KB (added)
@sentry/sveltekit (client)	34.9 KB (added)
@sentry/node	115.61 KB (added)
@sentry/node - without tracing	90 KB (added)
@sentry/aws-serverless	99.42 KB (added)