Bulk module update

accessibility upgrades

- adding focus outlines to images in footer, news, events, research, and newsletter
- making skip link visible on focus
- adding underlines to link tags to make contrast ratio appropriate
- removing unallowed aria tag from accordion

Upgrading drupal/decorative_image_widget (1.0.0-alpha4 => 1.0.0)

Upgrading drupal/core (9.5.9 => 9.5.10)

accessibility updates

- removing extra nav element from main menu
- fixing width on submenus during mobile transition for zoomed in readers

CKEditor IndentBlock and Entity Embed updates

Upgrading drupal/externalauth (1.4.0 => 2.0.3)

Upgrading drupal/linkit (5.0.0-beta13 => 6.0.0)

Upgrading drupal/mathjax (3.0.1 => 4.0.2)

Upgrading drupal/social_media (1.9.0-rc2 => 2.0.0)

fixing gallery thumbnail image bug