chore: Update extension submodule revision
This MR completes 8th step from https://gitlab.com/gitlab-org/gitlab/-/issues/416738#note_1469703960 that requires new VSCode extension to be included into webIDE
This MR completes 8th step from https://gitlab.com/gitlab-org/gitlab/-/issues/416738#note_1469703960 that requires new VSCode extension to be included into webIDE