git: openjdk/jfx: master: 8276142: Update gradle to version 7.3

[Kevin Rushforth]

Changeset: 13c24d22
Author:    Kevin Rushforth <kcr at openjdk.org>
Date:      2021-11-16 15:24:09 +0000
URL:       https://git.openjdk.java.net/jfx/commit/13c24d22463436bc953ec5159beec7a78017019f

8276142: Update gradle to version 7.3

Reviewed-by: sykora, jvos

! build.properties
+ gradle/UPDATING.txt
! gradle/legal/gradle.md
! gradle/wrapper/gradle-wrapper.jar
! gradle/wrapper/gradle-wrapper.properties
! gradlew
! gradlew.bat