Update python39 to version 3.9.18 / rev 54 via SR 1153059
    
    https://build.opensuse.org/request/show/1153059
    by user mcepl + dimstar_suse
    - Update SPEC file to build on SLE-15-SP5 (jsc#PED-7886).
    
    - (bsc#1219666, CVE-2023-6597) Add
      CVE-2023-6597-TempDir-cleaning-symlink.patch (patch from
      gh#python/cpython!99930) fixing symlink bug in cleanup of
      tempfile.TemporaryDirectory.
    - Repurpose skip-failing-tests.patch to increase timeout for
      test.test_asyncio.test_tasks.TimeoutTests.test_timeout_time,
      which fails on slow machines in IBS (s390x).
    
      - (bsc#1215454, gh-108310) Fixed an issue where instances
    - Refresh all patches:
      - 98437-sphinx.locale._-as-gettext-in-pyspecific.patch
      - 99366-patch.dict-can-decorate-async.patch
      - Revert-gh105127-left-tests.patch
      - bpo-31046_ensurepip_honours_prefix.patch
      - decimal.patch
      - distutils-reproducible-compile.patch
      - gh-78214-marshal_stabilize_FLAG_REF.patch
      - python