chore: Add external contributor to CHANGELOG.md (getsentry#18297)

This PR adds the external contributor to the CHANGELOG.md file, so that
they are credited for their contribution. See getsentry#18281

Co-authored-by: nicohrubec <[email protected]>

Author: HazAT

CHANGELOG.md

@@ -4,6 +4,8 @@
 
 - "You miss 100 percent of the chances you don't take. — Wayne Gretzky" — Michael Scott
 
+Work in this release was contributed by @bignoncedric. Thank you for your contribution!
+
 - feat(deps): Bump OpenTelemetry ([#18239](https://github.com/getsentry/sentry-javascript/pull/18239))
   - Bump @opentelemetry/context-async-hooks from ^2.1.0 to ^2.2.0
   - Bump @opentelemetry/core from ^2.1.0 to ^2.2.0