chore(sdk/go): upgrade rpc/flipt to v1.20.0 (#1484)

* chore(sdk/go): upgrade rpc/flipt to v1.20.0

* chore(sdk/go): update CHANGELOG for v0.2.0

* chore: go mod tidy

* chore(sdk/go): remove blank link

go.mod

@@ -37,7 +37,7 @@ require (
  github.com/uber/jaeger-client-go v2.30.0+incompatible
  github.com/xo/dburl v0.13.1
  go.flipt.io/flipt/errors v1.19.3
- go.flipt.io/flipt/rpc/flipt v1.20.0-rc1
+ go.flipt.io/flipt/rpc/flipt v1.20.0
  go.flipt.io/flipt/sdk/go v0.1.1
  go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.40.0
  go.opentelemetry.io/otel v1.14.0

sdk/go/CHANGELOG.md

@@ -3,7 +3,7 @@
 This format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [v0.2.0-rc1](https:/flipt-io/flipt/releases/tag/sdk/go/v0.2.0-rc1) - 2023-04-06
+## [v0.2.0](https:/flipt-io/flipt/releases/tag/sdk/go/v0.2.0) - 2023-04-11
 
 ### Added
 

sdk/go/go.mod

@@ -3,7 +3,7 @@ module go.flipt.io/flipt/sdk/go
 go 1.20
 
 require (
- go.flipt.io/flipt/rpc/flipt v1.20.0-rc1
+ go.flipt.io/flipt/rpc/flipt v1.20.0
  google.golang.org/genproto v0.0.0-20230320184635-7606e756e683
  google.golang.org/grpc v1.54.0
  google.golang.org/protobuf v1.30.0