How to keep my Facebook profile hidden from other people's suggested friends list after adding my phone number?

One way I keep my Facebook profile private is by restricting the visibility of my posts to friends only. This means that only people on my friends list can see my posts, stories, and Reels.

Welp, they had a good run. Facebook is doing away with Friend List Feeds, the customized news feeds that showed only posts from a group of Facebook humans of your choosing (plus, ya know ...