chore(deps): bump matrix-js-sdk from 38.0.0 to 38.4.0 (#327)

Bumps [matrix-js-sdk](https://github.com/matrix-org/matrix-js-sdk) from 38.0.0 to 38.4.0.
- [Release notes](https://github.com/matrix-org/matrix-js-sdk/releases)
- [Changelog](https://github.com/matrix-org/matrix-js-sdk/blob/develop/CHANGELOG.md)
- [Commits](matrix-org/matrix-js-sdk@v38.0.0...v38.4.0)

---
updated-dependencies:
- dependency-name: matrix-js-sdk
  dependency-version: 38.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Wojciech Piątkowski <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -23,7 +23,7 @@
   "dependencies": {
     "@fluffylabs/links-metadata": "^1.3.0",
     "dotenv": "^17.2.1",
-    "matrix-js-sdk": "^38.0.0",
+    "matrix-js-sdk": "^38.4.0",
     "tsx": "^4.20.5"
   }
 }