Spoa upgrade

[tbrekalo]

Descriptions

The aim of this PR is to improve racon performance with the new SPOA version which takes into a count node coverage when calculating the consensus. For more information see:

• SPOA coverage threshold option commit

Tasks

• [x] upgrade to c++17 to allow support for newer SPOA versions

  • [x] upgrade CMake
  • [x] upgrade meson
  • [ ] upgrade ci scripts

• [ ] upgrade SPOA version

  • [x] CMake
  • [ ] git submodules for meson

• [x] utilize min_coverage

  • [x] add command line argument
  • [x] add min_coverage parameter to polisher and use it for consensus generation

  Results

• TODO