Bump vue from 2.6.14 to 3.0.0 in /frontend

[dependabot]

Bumps vue from 2.6.14 to 3.0.0.

Changelog

Sourced from vue's changelog.

3.0.0 (2020-09-18)

3.0.0-rc.13 (2020-09-18)

Bug Fixes

• hmr: make hmr working with class components (#2144) (422f05e)
• reactivity: avoid length mutating array methods causing infinite updates (#2138) (f316a33), closes #2137
• suspense: should discard unmount effects of invalidated pending branch (5bfcad1)
• types: component instance inference without props (#2145) (57bdaa2)

Code Refactoring

• watch APIs default to trigger pre-flush (49bb447), closes vuejs/vue-next#1706

Features

• runtime-core: support using inject() inside props default functions (58c31e3)
• watch: support dot-delimited path in watch option (1c9a0b3)

BREAKING CHANGES

• watch APIs now default to use flush: 'pre' instead of flush: 'post'. This change affects watch, watchEffect, the watch component option, and this.$watch. See (49bb447) for more details.

3.0.0-rc.12 (2020-09-16)

Bug Fixes

• reactivity: effect should only recursively self trigger with explicit options (3810de7), closes #2125
• runtime-core: ensure root stable fragments inherit elements for moving (bebd44f), closes #2134
• runtime-core: should still do full traverse of stable fragment children in dev + hmr (dd40ad8)
• runtime-core/async-component: fix error component when there are no error handlers (c7b4a37), closes #2129
• types/tsx: optional props from Mixin/Extends are treated as required (#2048) (89e9ab8)

Features

• compiler-sfc: additionalData support for css preprocessors (#2126) (066d514)

3.0.0-rc.11 (2020-09-15)

... (truncated)

Commits

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