fix(plugin/achievements): use graphql first for initial setup and fix regex

[lowlighter]

Will first attempts to load total count using github search through GraphQL API for more reliability

If not working, fallback on browser method
Also fixes the current regex to extract results:

- /(?<type>Repositories|Users|Issues)\n(?<count>.*?)M/g 
  // matches [ ", 58", ", 109", ", 119" ]

+ /(?<type>Repositories|Users|Issues)\n.*?(?<count>\d+)M/g
  // matches [ "58", "109", "119" ]