Close friend ghosting me and not invited to wedding

I have a friend from college who I stayed close with for years after graduating. Even though we lived on opposite ends of the country, we still saw each other in-person once a year, usually taking a vacation together for 5 years straight. When she got engaged, she FaceTimed me to tell me the same day, and we had talked on the phone multiple times after that and about the wedding.

4 months ago, she wished me a happy birthday and then went completely silent. She doesn’t always reply to my messages same day, but she had never fully ignored me. I had sent multiple messages that went unanswered.

I got curious and googled her name, and her wedding website came up. They had picked a date, venue (a huge one), accommodations, etc. which was never shared with me. I searched my name on the RSVP and nothing came up, and I realized this must be why she’s icing me out.

I haven’t reached out since, and I think it’s probably over for this friendship. Is it worth even reaching out to see what happened, or should I just fully cut her out of my life as well Without saying anything?