Look around your town and try a few regular local group activities. See "third place" for ideas. Be patient with yourself. This will take time, and that's okay.

https://en.wikipedia.org/wiki/Third_place

Some of my most durable adult friendships started at group ballroom dance classes. The studio was a 15-minute drive from my suburban home, twice per week, and focused on social dancing, not competitive. I don't think dancing was the thing that made it work, but funny teachers and regular faces. That studio closed (pre-pandemic, thank goodness). No studio since has recreated the magic, but other activities have.