Last October, Inspire Brands, the parent company behind over 32,000 popular restaurants in 60 countries, quietly started talking to a Waterford-based online food delivery software company. Led by Brian Hickey, the Irish company called Vromo had raised €6.8 million in a series A round in 2021 backed by Dutch venture capital firm No Such Ventures.  It had appointed John Purdy, a cofounder of Irish fintech unicorn Fenergo, as its chairman and was growing fast, winning over 9,000 restaurants as customers globally as well as partnering with delivery giants like Doordash and Deliveroo.  Last year, it felt ready to do its…