[release] 1.16.0 - Support Local File as A DataStore, Perf Improvements (#253)

New Feature:
- `dataStore` interface has been enhanced with a new capability –
`localDataStore().` Users can now utilize local storage for offline data
persistence.
- Introduced a new feature that allows for polling updates from local
data store.

Improvements:
- Compressing the payload data of LogEvent to reduced data transfer size
- Code optimizations have been implemented to reduce execution time and
resource consumption.






>Included In This Release
>- b8357f5 Weihao Ding
>   - Perf Fix For Evaluator  (#252)
>- 874c65f Weihao Ding
> - Let LocalDataStore Option Detecting Local File Change Automatically
(#245)
>- 66c8bb7 Xin Li
>   - Zip log event payload (#248)
>- 6960246 Weihao Ding
>   - Java Performance - Not allocating strings for Constants (#246)

Author: weihao-statsig

gradle.properties

@@ -6,7 +6,7 @@ RELEASE_SIGNING_ENABLED=true
 
 GROUP=com.statsig.serversdk
 POM_ARTIFACT_ID=serversdk
-VERSION_NAME=1.15.0
+VERSION_NAME=1.16.0
 
 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

@@ -6,7 +6,7 @@ import com.google.gson.annotations.SerializedName
 import java.util.Properties
 import java.util.UUID
 
-private const val VERSION = "1.15.0"
+private const val VERSION = "1.16.0"
 
 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")