feat: touch all fields on submit

[logaretm]

🔎 Overview

This PR adds minor enhancements to touch all fields when submitting the form, this consideration allows using meta.touched to reliably show error messages for some use-cases.

[codecov-commenter]

Codecov Report

Merging #3278 (449ccd8) into main (dc0e63d) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #3278   +/-   ##
=======================================
  Coverage   96.62%   96.63%           
=======================================
  Files          65       65           
  Lines        1512     1516    +4     
  Branches      369      369           
=======================================
+ Hits         1461     1465    +4     
  Misses         50       50           
  Partials        1        1           

Impacted Files	Coverage Δ
packages/vee-validate/src/useForm.ts	98.05% <100.00%> (+0.03%)	⬆️

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