Use stable branch upper-constraints till 2025.1

2024.1, 2024.2 and 2025.1 supports python3.9 jobs and since with[1]
py3.9 pins are dropped from master upper-constraints, so these jobs
can no longer use master constraints.
With this patch making these branches to use stable constraints.

[1] https://review.opendev.org/c/openstack/requirements/+/957587

Closes-Bug: #2130551
Change-Id: Iac58fc3c552ddf4684315eecbd2d03b6b650cf64
Signed-off-by: Yatin Karel <ykarel@redhat.com>
1 file changed