Update types git submodule

Promisify: Fix #211 and bump version 4.0.0-beta.18

Merge pull request #177 from gjsify/ewlsh/fix-promisifying

gir: Promisify class members in typescript generator

Add workaround to fix gimp-3.0 types

Update types for GNOME Shell 47

Update types submodule

Merge pull request #186 from gjsify/re-export-cairo

Add basic cairo overrides

Fix missing dependencies in GioUnix-2.0

Fix for invalid enums, should fix #181

Improve GJS package core types and bump version 4.0.0-beta.8