Bump gulp-w3c-html-validator from 2.0.1 to 3.2.1

[dependabot[bot]]

Bumps gulp-w3c-html-validator from 2.0.1 to 3.2.1.

Commits

• 8b23b76 Release v3.2.1
• 0b21f8e Update to w3c-html-validator v0.7
• c7c8906 Release v3.2.0
• aca9388 Add throwErrors option
• b95d5d4 Release v3.1.0
• 1399ed2 Swap out abandoned w3cjs for w3c-html-validator
• 9d2ee4a Update to mocha v8.4
• a0025f3 Update instructions for es6 modules
• d4658ec Build and release workflow actions
• b359676 Clarify commonjs note
• Additional commits viewable in compare view

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[dependabot[bot]]

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