[3.14] gh-133454: Mark test_queue tests with many threads as bigmem (gh-134575) (GH-135046)

50 producer and 50 consumer threads need more than 5GB of memory.
(cherry picked from commit 7a79f52d83c22f5a9787e590f267325c1175d389)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>