Merge pull request #1771 from getsentry/craft-release-794eb7022ed8e50ab2674a93f888d75cfc88330a

update sentry_relay==0.9.21

Author: sentry-release-bot[bot]

packages.ini

@@ -2681,6 +2681,7 @@ python_versions = >=3.10
 [sentry-relay==0.9.17]
 [sentry-relay==0.9.19]
 [sentry-relay==0.9.20]
+[sentry-relay==0.9.21]
 
 [sentry-script-runner==0.1.5]
 [sentry-script-runner==0.1.6]