Bump vuetify-loader from 1.7.3 to 1.9.1 in /webapp

Bumps vuetify-loader from 1.7.3 to 1.9.1.

Release notes

Sourced from vuetify-loader's releases.

v1.9.1

Bug Fixes

• expand sharp peerDependency version (fd2bd7f), closes #253
• load external templates (#251) (33a75b6), closes #250
• support pug 3 (#254) (6185962)

v1.9.0

Features

• support vue 2.7 (#247) (c0dd7cf), closes #240

Commits

• adc2d84 v1.9.1
• 33a75b6 fix: load external templates (#251)
• fd2bd7f fix: expand sharp peerDependency version
• 6185962 fix: support pug 3 (#254)
• 298670e v1.9.0
• c0dd7cf feat: support vue 2.7 (#247)
• fb6cf15 v1.8.0
• d43460a feat: support vue 2.7
• b2d25cd chore: add link to next branch
• See full diff in compare view

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