Update dependency gulp-pug to v5

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
gulp-pug	4.0.1 → 5.0.0

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Release Notes

gulp-community/gulp-pug (gulp-pug)

v5.0.0

Compare Source

⚠ BREAKING CHANGES

• Update dependencies (#​221)
• Convert to gulp scaffold, dropping node <10 support (#​215)

Features

• Add streaming support using vinyl-contents (#​200) (642d1ea)
• Add template filename to PluginError (#​220) (cfaad8c)

Miscellaneous Chores

• Convert to gulp scaffold, dropping node <10 support (#​215) (004417e)
• Update dependencies (#​221) (8bb7f1c)

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Configuration

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⚠ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

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File name: package-lock.json

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