v3.12.0-alpha.4: Gallery Updates, Style Fixes, taccsite_custom Update

Added

• feat: s-image-grid → lightgallery (#663)

Changed

• feat(taccsite_custom): explicit source css imports (7f25379)

Fixed

• fix: update [image gallery] plugin to v0.1.3 (1358d36)
• fix(core-styles): v2.9.1 (4894e4f)
• fix(taccsite_custom): brainmap logo missing text (7cda385)