chore: Add external contributor to CHANGELOG.md (#15595)

This PR adds the external contributor to the CHANGELOG.md file, so that
they are credited for their contribution. See #15576

Co-authored-by: AbhiPrasad <18689448+AbhiPrasad@users.noreply.github.com>
Co-authored-by: Charly Gomez <charly.gomez@sentry.io>

CHANGELOG.md

@@ -10,7 +10,7 @@
 
 - "You miss 100 percent of the chances you don't take. — Wayne Gretzky" — Michael Scott
 
-Work in this release was contributed by @namoscato. Thank you for your contribution!
+Work in this release was contributed by @msurdi-a8c and @namoscato. Thank you for your contributions!
 
 ## 9.4.0