re-flex 5.0.0

[BrewTestBot]

Created by brew bump

---

Created with brew bump-formula-pr.

release notes

# What's new?

faster SIMD regex search methods, see also the ugrep project update
improved anchor and word boundary matching speed and support
new std::string_view strview() matcher method

[chenrui333]

  g++-11  -Wall -Wextra -Wunused -O2   -o rtest rtest-rtest.o ../lib/libreflex.a 
  /usr/bin/ld: ../lib/libreflex.a(libreflex_a-matcher_avx512bw.o): in function `reflex::Matcher::simd_init_advance_avx512bw()':
  matcher_avx512bw.cpp:(.text+0x993): undefined reference to `reflex::Matcher::simd_advance_string_pma_avx512bw(unsigned long)'
  /usr/bin/ld: matcher_avx512bw.cpp:(.text+0xa53): undefined reference to `reflex::Matcher::simd_advance_string_pmh_avx512bw(unsigned long)'

[chenrui333]

close for 5.0.1 release