feat(realy): Upgrade sentry-relay to 0.8.3 (#23851)

Author: mitsuhiko

requirements-base.txt

@@ -47,7 +47,7 @@ requests[security]>=2.20.0,<2.21.0
 rfc3339-validator==0.1.2
 rfc3986-validator==0.1.1
 # [end] jsonschema format validators
-sentry-relay>=0.8.1,<0.9.0
+sentry-relay>=0.8.3,<0.9.0
 sentry-sdk>=0.20.0,<0.21.0
 simplejson>=3.11.0,<3.12.0
 sqlparse>=0.2.0,<0.3.0