refactor: update parent child components

[mlmoravek]

Proposed Changes

• refactor dropdown to useProviderParent & useProviderChild instead of custom provide/inject
• refactor steps component activeValue
• refactor tabs component activeValue
• refactor useVModelBinding to defineModel

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[codecov]

Codecov Report

Attention: Patch coverage is 40.00000% with 21 lines in your changes are missing coverage. Please review.

Project coverage is 56.71%. Comparing base (27fe3b5) to head (f39714f).
Report is 2 commits behind head on develop.

Files	Patch %	Lines
packages/oruga/src/utils/helpers.ts	14.28%	18 Missing ⚠️
...ges/oruga/src/components/dropdown/DropdownItem.vue	66.66%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #817      +/-   ##
===========================================
+ Coverage    54.66%   56.71%   +2.05%     
===========================================
  Files           31       30       -1     
  Lines         1500     1511      +11     
  Branches       536      544       +8     
===========================================
+ Hits           820      857      +37     
+ Misses         680      654      -26     

Flag	Coverage Δ
oruga-next	56.71% <40.00%> (+2.05%)	⬆️

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