GH-36994: [Java] Use JDK 21 in CI#38219

Merged

raulcd merged 4 commits intoapache:mainfrom

danepitkin:danepitkin/jdk21

Oct 17, 2023

Commits on Oct 14, 2023

Use JDK 21 in CI
Dane Pitkin
committed
Suppress warning
Dane Pitkin
committed
update a missing config
Dane Pitkin
committed

Commits on Oct 16, 2023

Undo pinning in verification script
Dane Pitkin
committed