v3.9.0

What's Changed

• [AUTO] Bump version on 3.x to 3.9.0 by @opensearch-trigger-bot[bot] in #1943
• [Backport 3.x] Bump 1password/load-secrets-action from 3 to 4 by @opensearch-trigger-bot[bot] in #1946
• [Backport 3.x] Bump peterjgrainger/action-create-branch from 3.0.0 to 4.0.0 by @opensearch-trigger-bot[bot] in #1954
• [Backport 3.x] Re-generated client code using latest OpenSearch API specification by @opensearch-trigger-bot[bot] in #1956
• [Backport 3.x] Bump actions/github-script from 8 to 9 by @opensearch-trigger-bot[bot] in #1962
• [Backport 3.x] Bump softprops/action-gh-release from 2 to 3 by @opensearch-trigger-bot[bot] in #1963
• [Backport] [3.x] Detect Apache5HttpClient in AWS SDK transport body-method guardrail (#1970) by @reta in #1971
• [Backport] [3.x] Bump com.github.jk1.dependency-license-report from 3.1.1 to 3.1.2 (#1952) by @reta in #1955
• [Backport] [3.x] Bump gradle-wrapper from 9.4.1 to 9.5.0 (#1973) by @reta in #1975
• [Backport][3.x] Bump org.owasp.dependencycheck from 12.2.1 to 12.2.2 in /java-client (#1972) by @reta in #1976
• [Backport] [3.x] [FEATURE] Support Jackson 3.x release line (#1948) by @reta in #1982
• Prepare 3.9.0 release by @reta in #1983
• [Backport 3.x] Add explicit issue write permission to github request by @peterzhuamazon in #1993
• [Backport 3.x] Update content write permission so that release can be created by @peterzhuamazon in #1996

Full Changelog: v3.8.0...v3.9.0