[release] v1.30.1 - Fix race condition during initialization (#240)

### Improvements
  - Add ID type to `GetClientInitializeResponse`
  ### Fixes
- Fix race condition in `InitializeDetails` when initializing with
timeout





>Included In This Release
>- 66d7d48 kenny-statsig
>   - fix race condition in init context (#238)
>- 7919428 sroyal-statsig
>   - Add IDType to GCIR (#237)

statsig_metadata.go

@@ -14,7 +14,7 @@ type statsigMetadata struct {
 func getStatsigMetadata() statsigMetadata {
 	return statsigMetadata{
 		SDKType:         "go-sdk",
-		SDKVersion:      "v1.30.0",
+		SDKVersion:      "v1.30.1",
 		LanguageVersion: runtime.Version()[2:],
 		SessionID:       SessionID(),
 	}