Update JS dependencies, Require Node.js 16 (#23528)

- Update all JS dependencies
- Require Node.js 16 as dictated by `esbuild-loader`
- Regenerate SVG
- Adapt to `esbuild-loader` breaking changes
- Minor refactor in `webpack.config.js`
- Tested build, monaco and swagger-ui

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Co-authored-by: techknowlogick <techknowlogick@gitea.io>

public/img/svg/octicon-move-to-bottom.svg

@@ -0,0 +1 @@
+<svg viewBox="0 0 16 16" class="svg octicon-move-to-bottom" width="16" height="16" aria-hidden="true"><path d="M7.47 10.78a.749.749 0 0 0 1.06 0l3.75-3.75a.749.749 0 1 0-1.06-1.06L8.75 8.439V1.75a.75.75 0 0 0-1.5 0v6.689L4.78 5.97a.749.749 0 1 0-1.06 1.06l3.75 3.75ZM3.75 13a.75.75 0 0 0 0 1.5h8.5a.75.75 0 0 0 0-1.5h-8.5Z"/></svg>