Pin dependencies

Created by: renovate[bot]

This PR contains the following updates:

Package	Type	Update	Change
clean-css-cli	devDependencies	pin	^4.3.0 -> 4.3.0
ejs-lint	devDependencies	pin	^1.1.0 -> 1.1.0
hexo (source)	dependencies	pin	^5.4.0 -> 5.4.0
uglify-js	devDependencies	pin	^3.9.4 -> 3.13.1

📌 Important: Renovate will wait until you have merged this Pin PR before creating any upgrade PRs for the affected packages. Add the preset :preserveSemverRanges to your config if you instead don't wish to pin dependencies.

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