update sentry_infra_tools==1.20.3

Author: sentry-release-bot[bot]

packages.ini

@@ -2283,6 +2283,7 @@ python_versions = <3.13
 [sentry-infra-tools==1.20.0]
 [sentry-infra-tools==1.20.1]
 [sentry-infra-tools==1.20.2]
+[sentry-infra-tools==1.20.3]
 
 [sentry-jsonish==0.0.1]
 [sentry-jsonish==0.0.2]