git: openjdk/jdk: jdk23: 8333743: Change .jcheck/conf branches property to match valid branches

[Iris Clark]

Changeset: 31696a44
Author:    Kevin Rushforth <kcr at openjdk.org>
Committer: Iris Clark <iris at openjdk.org>
Date:      2024-06-06 22:07:16 +0000
URL:       https://git.openjdk.org/jdk/commit/31696a445c4bf4fef2c7b69d23b7a303b7c6d55c

8333743: Change .jcheck/conf branches property to match valid branches

Reviewed-by: iris, erikj
Backport-of: 2a37764e7428d579a3080e62681f1c9c9f816c1e

! .jcheck/conf