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
gulp (source)	dependencies	pin	^4.0.2 -> 4.0.2
gulp-babel	dependencies	pin	^8.0.0 -> 8.0.0
gulp-clean-css	dependencies	pin	^4.3.0 -> 4.3.0
gulp-htmlclean	dependencies	pin	^2.7.22 -> 2.7.22
gulp-htmlmin	dependencies	pin	^5.0.1 -> 5.0.1
gulp-uglify	dependencies	pin	^3.0.2 -> 3.0.2
hexo (source)	dependencies	pin	^5.3.0 -> 5.3.0
hexo-deployer-git (source)	dependencies	pin	^2.1.0 -> 2.1.0
hexo-generator-archive (source)	dependencies	pin	^1.0.0 -> 1.0.0
hexo-generator-category (source)	dependencies	pin	^1.0.0 -> 1.0.0
hexo-generator-index (source)	dependencies	pin	^2.0.0 -> 2.0.0
hexo-generator-tag (source)	dependencies	pin	^1.0.0 -> 1.0.0
hexo-renderer-ejs	dependencies	pin	^1.0.0 -> 1.0.0
hexo-renderer-marked	dependencies	pin	^3.3.0 -> 3.3.0
hexo-renderer-stylus	dependencies	pin	^2.0.1 -> 2.0.1
hexo-server (source)	dependencies	pin	^2.0.0 -> 2.0.0
uglify-js	devDependencies	pin	^3.9.4 -> 3.12.4

📌 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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