Gwyneth Paltrow better get a bigger table. The Goop founder and Oscar-winning actress is leaning in on the swirl surrounding her supposed dinner with OpenAI chief Sam Altman by posting a series of faux invites in honor of various bold-faced yet fictional characters. “Gwyneth Paltrow invites you to a private, off-the-record al fresch dinner at her home in honor of M3GAN,” reads the first in a carousel of images shared with her 9.2 million Instagram followers. Other characters she’s welcoming to the table: Samantha Jones (Kim Cattrall’s Sex and the City character), Shrek, Jessica Rabbit (of Who Framed Roger Rabbit fame) and Chanty Beluga (a meme queen created by L.A.-based comedian and actor Courtney O’Donnell). “We’re serving swordfish burritos, cheddar foam lattes on request,” wrote Paltrow in the caption of the new post, which was shared Thursday afternoon as word continued to spread online about this alleged dinner. First reported by Puck’s Matthew Belloni, Paltrow is said to be hosting Altman for an off-the-record dinner at her Amagansett home on Saturday, Aug. 29. Neither Paltrow …