build(deps): bump github.com/getsentry/sentry-go from 0.20.0 to 0.21.0

Bumps [github.com/getsentry/sentry-go](https://github.com/getsentry/sentry-go) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/getsentry/sentry-go/releases)
- [Changelog](https://github.com/getsentry/sentry-go/blob/master/CHANGELOG.md)
- [Commits](https://github.com/getsentry/sentry-go/compare/v0.20.0...v0.21.0)

go.mod

@@ -4,7 +4,7 @@ go 1.19
 
 require (
 	github.com/apex/log v1.9.0
-	github.com/getsentry/sentry-go v0.20.0
+	github.com/getsentry/sentry-go v0.21.0
 	github.com/stretchr/testify v1.8.2
 	gitlab.com/unboundsoftware/apex-mocks v0.2.0
 )