chore(deps): bump rfc4648 from 1.5.3 to 1.5.4 (#17866)

Bumps [rfc4648](https://github.com/swansontec/rfc4648.js) from 1.5.3 to 1.5.4.
- [Release notes](https://github.com/swansontec/rfc4648.js/releases)
- [Changelog](https://github.com/swansontec/rfc4648.js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/swansontec/rfc4648.js/commits)

---
updated-dependencies:
- dependency-name: rfc4648
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package.json

@@ -116,7 +116,7 @@
         "query-string": "9.1.1",
         "rate-limiter-flexible": "5.0.4",
         "re2js": "0.4.3",
-        "rfc4648": "1.5.3",
+        "rfc4648": "1.5.4",
         "rss-parser": "3.13.0",
         "sanitize-html": "2.13.1",
         "simplecc-wasm": "1.1.0",