v2.22.0

What's Changed

• [AUTO] Increment version to 2.22.0. by @opensearch-trigger-bot in #1435
• [Backport 2.x] CodeGen updates by @Xtansia in #1443
• [Backport 2.x] Generate search pipeline requests (#1442) by @Xtansia in #1452
• [Backport 2.x] Generate Tokenizers by @Xtansia in #1454
• [Backport 2.x] Add Search response phase_took field (#1449) by @Xtansia in #1455
• [Backport] [2.x] Bump org.junit:junit-bom from 5.11.4 to 5.12.0 (#1456) by @reta in #1457
• [Backport 2.x] Updated affiliation for @dblock. by @opensearch-trigger-bot in #1462
• [Backport 2.x] Update Andriy Redko (https://github.com/reta) affiliation by @opensearch-trigger-bot in #1461
• Backport/backport 1464 to 2.x by @matthiasValuecloud in #1469
• [Backport 2.x] Add support for GeoDistanceSort's nested and validation_method fields by @opensearch-trigger-bot in #1471
• Prepare changelog for releasing 2.22.0 by @Xtansia in #1472

Full Changelog: v2.21.0...v2.22.0