feat: update minimizer

[alexander-akait]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

update html minimizer

Breaking Changes

No

Additional Info

Also use contexify

[codecov]

Codecov Report

Merging #406 (a2fedcc) into master (d7f4216) will decrease coverage by 3.48%.
The diff coverage is 88.88%.

@@            Coverage Diff             @@
##           master     #406      +/-   ##
==========================================
- Coverage   95.60%   92.12%   -3.49%     
==========================================
  Files           7        7              
  Lines         569      584      +15     
  Branches      172      187      +15     
==========================================
- Hits          544      538       -6     
- Misses         24       37      +13     
- Partials        1        9       +8     

Impacted Files	Coverage Δ
src/utils.js	90.02% <85.71%> (-4.58%)	⬇️
src/plugins/minimizer-plugin.js	100.00% <100.00%> (ø)

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