v2.19.0

What's Changed

• [AUTO] Increment version to 2.19.0. by @opensearch-trigger-bot in #1314
• [Backport 2.x] Update Gradle to 8.11 by @opensearch-trigger-bot in #1317
• [Backport 2.x] Update Gradle to 8.11.1 by @opensearch-trigger-bot in #1320
• [Backport 2.x] Generate IcuCollationKeywordProperty by @Xtansia in #1321
• [Backport 2.x] Bump actions/setup-java from 3 to 4 by @opensearch-trigger-bot in #1327
• Fix toJsonString default mapper serialize type (#1309) by @playLeo in #1328
• [Backport 2.x] Implement SortOptionsVariant in FieldSort (#1323) by @suzuki764 in #1329
• [Backport 2.x] Revert throwing on AwsSdk2 + ApacheHttpClient (#1333) by @Xtansia in #1334
• [Backport 2.x] Generate CreateSnapshot(Fix CreateSnapshotResponse deserialization when wait_for_completion is false) (#1332) by @hogesako in #1335
• [Backport 2.x] Revert "Revert throwing on AwsSdk2 + ApacheHttpClient (#1333)" (#1338) by @Xtansia in #1339
• [Backport 2.x] Generate GetSnapshot (#1299) by @hogesako in #1336
• [Backport] [2.x] Bump com.carrotsearch.randomizedtesting:randomizedtesting-runner from 2.8.1 to 2.8.2 (#1343) by @reta in #1347
• [Backport 2.x] Bump org.owasp.dependencycheck from 11.1.0 to 11.1.1 (#1344) by @Xtansia in #1348
• [Backport 2.x] Fix serialization of nested aggregates under SingleBucketAggregateBase (#1350) by @Xtansia in #1352
• Prepare changelog for 2.19.0 by @Xtansia in #1353

Full Changelog: v2.18.0...v2.19.0