Bump :completion ivy
Bump :completion ivy

tumashu/ivy-posframe@82a63ae -> tumashu/ivy-posframe@4474956

tumashu/ivy-posframe@82a63ae seems to have been removed or force pushed
out of master.

Fixes #3799

hlissner/.emacs.d,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/doom-emacs,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/.emacs.d