stdlib: Add os.copy_file_range(src, dst, count)

tests/stubtest_allowlists/linux-py310.txt

@@ -25,14 +25,12 @@ os.EFD_SEMAPHORE
 os.SPLICE_F_MORE
 os.SPLICE_F_MOVE
 os.SPLICE_F_NONBLOCK
-os.copy_file_range
 os.eventfd
 os.eventfd_read
 os.eventfd_write
 os.splice
 posix.EFD_[A-Z]+
 posix.SPLICE_[A-Z_]+
-posix.copy_file_range
 posix.eventfd
 posix.eventfd_read
 posix.eventfd_write

tests/stubtest_allowlists/linux-py38.txt

@@ -1,5 +1 @@
 select.epoll.register
-
-# Exists at runtime, but missing from stubs
-os.copy_file_range
-posix.copy_file_range

tests/stubtest_allowlists/linux-py39.txt

@@ -1,6 +1,2 @@
 (os|posix).sendfile
 select.epoll.register
-
-# Exists at runtime, but missing from stubs
-os.copy_file_range
-posix.copy_file_range