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

[Jesper Wilhelmsson]

Changeset: 2a37764e
Author:    Kevin Rushforth <kcr at openjdk.org>
Committer: Jesper Wilhelmsson <jwilhelm at openjdk.org>
Date:      2024-06-06 17:29:58 +0000
URL:       https://git.openjdk.org/jdk/commit/2a37764e7428d579a3080e62681f1c9c9f816c1e

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

Reviewed-by: erikj, iris

! .jcheck/conf