fix(taginput): watch TagInput v-model prop with deep in order to trigger update:modelValue event

[tcitworld]

Unless the deep option is being specified, the update:modelValue event is not triggered by the TagInput component (only the add/remove events are).

There may be another way of fixing this, I'm not familiar with this useVModelBinding pattern. Other components may be affected by similar issues, I didn't test them.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (bbf8161) 51.76% compared to head (1258039) 51.76%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #722   +/-   ##
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  Coverage    51.76%   51.76%           
========================================
  Files           32       32           
  Lines         1391     1391           
  Branches       513      513           
========================================
  Hits           720      720           
  Misses         671      671           

Flag	Coverage Δ
oruga-next	51.76% <ø> (ø)

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[mlmoravek]

@tcitworld the useVModelBinding composable is an adaptation of the useVModel() composable from the vueuse library. Also in Vue 3.4 this may be replaced by Vue natives defineModel() composable.