Upgrade to `gradle/actions/wrapper-validation` action

[weppos]

This job uses deprecated functionality from the 'gradle/wrapper-validation-action' action. Consult the logs for more details.

DEPRECATION: The action gradle/wrapper-validation-action has been replaced by gradle/actions/wrapper-validation. See https://github.com/gradle/actions/blob/main/docs/deprecation-upgrade-guide.md#the-action-gradlewrapper-validation-action-has-been-replaced-by-gradleactionswrapper-validation

See https://github.com/dnsimple/dnsimple-java/actions/runs/21287887547