Stripe is in talks to repurchase shares from venture capital backers at a $106.7 billion valuation, Axios has learned.Why it matters: The payments infrastructure giant caught grief, including from yours truly, for not going public when its valuation hit $95 billion before the pandemic — after which it was slashed to only $50 billion.Now it's worth more and is offering liquidity without public-market glare.Behind the scenes: Stripe hasn't yet determined how much stock it will repurchase, nor if t...