Bump follow-redirects from 1.15.2 to 1.15.4 in /editors/code
Bumps [follow-redirects](https://github.com/follow-redirects/follow-redirects) from 1.15.2 to 1.15.4.
<details>
<summary>Commits</summary>
<ul>
<li><a href="65858205e5"><code>6585820</code></a> Release version 1.15.4 of the npm package.</li>
<li><a href="7a6567e16d"><code>7a6567e</code></a> Disallow bracketed hostnames.</li>
<li><a href="05629af696"><code>05629af</code></a> Prefer native URL instead of deprecated url.parse.</li>
<li><a href="1cba8e85fa"><code>1cba8e8</code></a> Prefer native URL instead of legacy url.resolve.</li>
<li><a href="72bc2a4229"><code>72bc2a4</code></a> Simplify _processResponse error handling.</li>
<li><a href="3d42aecdca"><code>3d42aec</code></a> Add bracket tests.</li>
<li><a href="bcbb096b32"><code>bcbb096</code></a> Do not directly set Error properties.</li>
<li><a href="192dbe7ce6"><code>192dbe7</code></a> Release version 1.15.3 of the npm package.</li>
<li><a href="bd8c81e4f3"><code>bd8c81e</code></a> Fix resource leak on destroy.</li>
<li><a href="9c728c314b"><code>9c728c3</code></a> Split linting and testing.</li>
<li>Additional commits viewable in <a href="https://github.com/follow-redirects/follow-redirects/compare/v1.15.2...v1.15.4">compare view</a></li>
</ul>
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fix: Differentiate between vfs config load and file changed events
Kind of fixes https://github.com/rust-lang/rust-analyzer/issues/14730 in a pretty bad way. We need to rethink the vfs-notify layer entirely. For a decent fix.
internal: VFS no longer stores all source files in memory
Turns out there is no need to keep the files around. We either upload them to salsa once processed, or we need to keep them around for the `DidChangeTextDocumentNotification`, but that notification is only valid for opened documents, so instead we can just keep the files around in the `MemDocs`!
Fixes https://github.com/rust-lang/rust-analyzer/issues/16301
