Update python-ujson to version 5.4.0 / rev 15 via SR 987903
https://build.opensuse.org/request/show/987903
by user dirkmueller + dimstar_suse
- update to 5.4.0 (CVE-2022-31116, bsc#1201255, CVE-2022-31117, bsc#1201254):
* Replace wchar_t string decoding implementation with a uint32_t-based one
* Fix handling of surrogates on decoding
* CVE-2022-31117: Potential double free of buffer during string decoding
* Fix memory leak on encoding errors when the buffer was resized
* Integer parsing: always detect overflows
* Fix handling of surrogates on encoding