feat: Bump DOM Testing Library and minimum required version for node

[afontcu]

For anyone stumbling upon this PR after facing breaking changes in v5:

Vue Testing Library support Vue 2 in its 5.x version range, and Vue 3 in >6.x. This means that any version bump in the 5.x range may include breaking changes.

[codecov[bot]]

Codecov Report

Merging #301 (cd7af88) into 5.x (181765f) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##               5.x      #301   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            3         3           
  Lines          100       100           
  Branches        35        35           
=========================================
  Hits           100       100           

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[github-actions[bot]]

:tada: This PR is included in version 5.9.0 :tada:

The release is available on:

• npm package (@release-5.x dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: