fractal: add missing `libwebp` runtime dependency (#436623)

Fixes #436588

Skoh 636d8f84 cc13cbda

Changed files
+2
pkgs
by-name
fr
fractal
+2
pkgs/by-name/fr/fractal/package.nix
···
xdg-desktop-portal,
libseccomp,
glycin-loaders,
+
libwebp,
}:
stdenv.mkDerivation (finalAttrs: {
···
sqlite
xdg-desktop-portal
libseccomp
+
libwebp
]
++ (with gst_all_1; [
gstreamer