[release] 1.27.0 - Persistent storage (#364)

### New Features
  - Added support for persistent storage
  ### Improvements
  - Return group name with getClientInitializeResponse
  - Log grpc error to custom logger
  - GRPC Websocket streaming: retry on all exceptions





>Included In This Release
>- 1af76f0 kenny-statsig
>   - Persistent storage (#359)
>- 896d795 Xin Li
>   - GRPC Websocket retry more aggresively (#362)
>- 33d7d58 Xin Li
>   - Log grpc error to custom logger (#356)
>- 1e19505 sroyal-statsig
>   - Add Group Name to GCIR (#352)

gradle.properties

@@ -7,7 +7,7 @@ SONATYPE_AUTOMATIC_RELEASE=true
 
 GROUP=com.statsig.serversdk
 POM_ARTIFACT_ID=serversdk
-VERSION_NAME=1.26.1
+VERSION_NAME=1.27.0
 
 POM_NAME=Statsig Server SDK
 POM_DESCRIPTION=A feature gating and a/b testing library for statsig

src/main/kotlin/com/statsig/sdk/StatsigMetadata.kt

@@ -4,7 +4,7 @@ import com.google.gson.annotations.SerializedName
 import java.util.Properties
 import java.util.UUID
 
-private const val VERSION = "1.26.1"
+private const val VERSION = "1.27.0"
 
 internal data class StatsigMetadata(@SerializedName("sdkType") var sdkType: String = "java-server", @SerializedName("sessionID") var sessionID: String = UUID.randomUUID().toString(), @SerializedName("languageVersion") var languageVersion: String = System.getProperty("java.version"), @SerializedName("exposureLoggingDisabled") var exposureLoggingDisabled: Boolean? = null) {
     @SerializedName("sdkVersion")