feat(funnel): fix github username regex
feat(funnel): fix github username regex

add "unassigned" to issues regex

AleksueiR/glitch,spencerwahl/glitch,AleksueiR/glitch,muffin-crusaders/glitch,spencerwahl/glitch,AleksueiR/glitch,muffin-crusaders/glitch,muffin-crusaders/glitch