GitLab SVGs: Update logo in pages and icons
All of these changes should be done in %15.0, best close to the icon rollout on April 27th.
We can probably prepare a secret MR in a private fork in order to review the changes ahead of time.
Update the icon in the navigation header of:
Update the following icons:
- https://gitlab.com/gitlab-org/gitlab-svgs/-/blob/main/sprite_icons/tanuki.svg
- https://gitlab.com/gitlab-org/gitlab-svgs/-/blob/main/sprite_icons/tanuki-verified.svg
Update the project avatar
We deliberately are holding off on changing illustrations (see &7816 (comment 911737726)), because we need more input from Brand.
Edited by Jeremy Elder