Skip flaky test: test_list

[devinfra-flakiness]

Please help us keep Sentry flake-free by merging this PR while a longer-term
resolution is implemented in issue #96975.

Test: tests/acceptance/test_organization_releases.py::OrganizationReleasesTest::test_list

Statistics over the last 30 days:
* Runs Recorded: 1672
* Flakes Failed: 0 (0%)
* Flakes Retried: 14 (0.837321%)

Example Flakes:

• https://github.com/getsentry/sentry/actions/runs/16659653040/job/47153459368
• https://github.com/getsentry/sentry/actions/runs/16656826810/job/47143855566
• https://github.com/getsentry/sentry/actions/runs/16655181222/job/47138254194
• https://github.com/getsentry/sentry/actions/runs/16634826227/job/47073125878
• https://github.com/getsentry/sentry/actions/runs/16627975690/job/47049614597

---

See also:
Flaky Test Policy & Responsibilities

[joshuarli]

oof

=========================== FLAKES (original error) ============================
______________________ OrganizationReleasesTest.test_list ______________________
src/sentry/db/postgres/decorators.py:59: in inner
    return func(self, sql, *args, **kwargs)
src/sentry/db/postgres/base.py:69: in execute
    return self.cursor.execute(sql)
E   psycopg2.errors.DeadlockDetected: deadlock detected
E   DETAIL:  Process 5629 waits for AccessExclusiveLock on relation 16895 of database 16385; blocked by process 5716.
E   Process 5716 waits for RowShareLock on relation 16951 of database 16385; blocked by process 5629.
E   HINT:  See server log for query details.