Update modus-themes to their 4.7.0 version

Update modus-themes to their 4.7.0 version

* doc/misc/modus-themes.org: Update the manual to document how
  'modus-themes-list-colors' has changed. Make other minor changes.
* etc/themes/modus-operandi-deuteranopia-theme.el:
* etc/themes/modus-operandi-theme.el:
* etc/themes/modus-operandi-tinted-theme.el:
* etc/themes/modus-operandi-tritanopia-theme.el:
* etc/themes/modus-vivendi-deuteranopia-theme.el:
* etc/themes/modus-vivendi-theme.el:
* etc/themes/modus-vivendi-tinted-theme.el:
* etc/themes/modus-vivendi-tritanopia-theme.el: Make stylistic refinements.
* etc/themes/modus-themes.el: Make refinements to supported
  faces, add support for more faces, and the like.

Release notes: <https://protesilaos.com/codelog/2025-04-17-emacs-modus-themes-4-7-0/>.

(cherry picked from commit 1e4ce136036e1ff43fcc436114e66ce48f33ea01)