Bump basic-ftp from 5.0.5 to 5.3.0 in /integration-tests

Bumps [basic-ftp](https://github.com/patrickjuchli/basic-ftp) from 5.0.5 to 5.3.0.
- [Release notes](https://github.com/patrickjuchli/basic-ftp/releases)
- [Changelog](https://github.com/patrickjuchli/basic-ftp/blob/master/CHANGELOG.md)
- [Commits](patrickjuchli/basic-ftp@v5.0.5...v5.3.0)

---
updated-dependencies:
- dependency-name: basic-ftp
  dependency-version: 5.3.0
  dependency-type: indirect
...

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Author: dependabot[bot]