Bump vuetify from 2.7.1 to 2.7.2 in /demo/vue/app/frontend

[dependabot[bot]]

Bumps vuetify from 2.7.1 to 2.7.2.

Release notes

Sourced from vuetify's releases.

v2.7.2

:wrench: Bug Fixes

• update types (#16951) (7e3d35d)
• check both $slots and $scopedSlots, normalise slot case (7d67046), closes #8676 #15293
• locale: Update French translations (#18215) (ceeafb6)
• VAutocomplete: highlight correct item in list on click (bc48f00), closes #17201
• VSelect: don't blur input on menu mousedown (0a77965), closes #15839

Commits

• b1cd404 chore(release): publish v2.7.2
• 0a77965 fix(VSelect): don't blur input on menu mousedown
• bc48f00 fix(VAutocomplete): highlight correct item in list on click
• 7d67046 fix: check both $slots and $scopedSlots, normalise slot case
• ceeafb6 fix(locale): Update French translations (#18215)
• See full diff in compare view

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