backend: fix Python 3.12 warning on F37

/var/lib/resallocserver/provision/libvirt-new:17: DeprecationWarning: 'pipes' is deprecated and slated for removal in Python 3.13
  import pipes

roles/copr/backend/templates/provision/libvirt-new

@@ -13,8 +13,8 @@ import logging
 import subprocess
 import tempfile
 import shutil
+import shlex
 import time
-import pipes
 import argparse
 from helpers import get_hv_identification_from_pool_id
 
@@ -67,7 +67,7 @@ class LibvirtSpawner:
         """
         Run CMD, and log info.
         """
-        self.log.debug("cmd: %s", ' '.join([pipes.quote(str(x)) for x in cmd]))
+        self.log.debug("cmd: %s", ' '.join([shlex.quote(str(x)) for x in cmd]))
         start = time.time()
         status = subprocess.call(cmd, *args, **kwargs)
         self.log.debug(" -> exit_status=%s, time=%ss",

roles/copr/backend/templates/resalloc/ibm-cloud-vm.j2

@@ -7,9 +7,9 @@ Start a new VM in IBM Cloud under the copr-team account.
 import argparse
 import datetime
 import logging
-import pipes
 import os
 import random
+import shlex
 import subprocess
 import sys
 
@@ -380,7 +380,7 @@ def _main():
     opts.log = log
 
     cmd = "source {} ; echo $IBMCLOUD_API_KEY".format(
-        pipes.quote(opts.token_file))
+        shlex.quote(opts.token_file))
     output = subprocess.check_output(cmd, shell=True)
     token = output.decode("utf-8").strip().rsplit("\n", maxsplit=1)[-1]
     authenticator = IAMAuthenticator(token)