Bump vuetify from 3.8.0 to 3.8.1 in /webapp

Bumps vuetify from 3.8.0 to 3.8.1.

Release notes

Sourced from vuetify's releases.

v3.8.1

🔧 Bug Fixes

• VDataTable: use current page items for shift click selection (#21210) (73608b7), closes #21190
• VField: glow prop color on focus only, add to menuIcon (3c595d2)
• VNavigationDrawer: swipe visual glitch (#21203) (91d74ec), closes #19874
• VSelect: prevent menu from opening when readonly (971930e), closes #21169 #21178
• VTextField: padding adjustment for reverse mode (#21194) (e820ca7), closes #21191

🔬 Code Refactoring

• theme: abstract functions outside of createTheme (8546fef)

Commits

• 651a637 chore(release): publish v3.8.1
• 6102fba chore: only display coverage summary in terminal
• 69f7429 chore: run coverage with istanbul
• 73bcc9e chore(theme): only declare getHead function if necessary
• 23b1614 chore(vitest.config.ts): add text to coverage output
• 7e7a2bc test(theme): add tests for head/unhead support
• 8546fef refactor(theme): abstract functions outside of createTheme
• f772739 docs: updated missing descriptions on API (#21160)
• 73608b7 fix(VDataTable): use current page items for shift click selection (#21210)
• e820ca7 fix(VTextField): padding adjustment for reverse mode (#21194)
• Additional commits viewable in compare view

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