Open banking — a disruptive technology that seeks to bypass the dominance of card networks and other traditional financial rails by letting banks open their systems directly to developers (and new services) by way of APIs — continues to gain ground in the world of financial services. As a mark of that traction, a startup playing a central role in open banking applications is announcing a big round of funding with a milestone valuation. TrueLayer, which provides technology for developers to enable a range of open-banking-based services has raised $130…