U.S. technology unicorn Toast filed a new S-1 document this morning detailing a higher IPO price range for its shares. The more expensive range indicates that Toast may be worth more in its debut than it initially expected, a bullish sign for technology companies more broadly. Toast’s rising valuation may provide a boon to two different subsectors of technology: software and fintech. The restaurant-focused Toast sells software on a recurring basis (SaaS) to restaurants while also providing financial technology solutions. And while it is best known as a software company…