Гse PCRE2 fallback for RegexNormalization'
* add pcre2
* use string with length instead of ZERO_TERMINATION
* add Licence to thirt party
* set m_search_pattern_re to nullptr if PCRE2 is used
* remove unnecessary const char*
* fix typo in m_replace_pattern
* Update Del Control Chars Regex
* Update Pass Rate
* fix win build
* revert added_tests in conftest.py
* revert Readme & pass rates
* update README & pass_rates
* do not log errors
* add comment on malloc
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Co-authored-by: Artur Paniukov <chgk1101@gmail.com>