bpo-31368: Expose preadv and pwritev in the os module (#5239)

diff --git a/configure b/configure
index 5904b54..6ce0728 100755
--- a/configure
+++ b/configure
@@ -11197,8 +11197,8 @@
  initgroups kill killpg lchmod lchown lockf linkat lstat lutimes mmap \
  memrchr mbrtowc mkdirat mkfifo \
  mkfifoat mknod mknodat mktime mremap nice openat pathconf pause pipe2 plock poll \
- posix_fallocate posix_fadvise pread \
- pthread_init pthread_kill putenv pwrite readlink readlinkat readv realpath renameat \
+ posix_fallocate posix_fadvise pread preadv preadv2 \
+ pthread_init pthread_kill putenv pwrite pwritev pwritev2 readlink readlinkat readv realpath renameat \
  sem_open sem_timedwait sem_getvalue sem_unlink sendfile setegid seteuid \
  setgid sethostname \
  setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setpriority setuid setvbuf \