Bump basic-ftp from 5.2.0 to 5.2.2 in /backend

Bumps [basic-ftp](https://github.com/patrickjuchli/basic-ftp) from 5.2.0 to 5.2.2.
- [Release notes](https://github.com/patrickjuchli/basic-ftp/releases)
- [Changelog](https://github.com/patrickjuchli/basic-ftp/blob/master/CHANGELOG.md)
- [Commits](https://github.com/patrickjuchli/basic-ftp/compare/v5.2.0...v5.2.2)

---
updated-dependencies:
- dependency-name: basic-ftp
  dependency-version: 5.2.2
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

backend/yarn.lock

@@ -401,9 +401,9 @@ base64-js@^1.3.1:
   integrity sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==
 
 basic-ftp@^5.0.2:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/basic-ftp/-/basic-ftp-5.2.0.tgz#7c2dff63c918bde60e6bad1f2ff93dcf5137a40a"
-  integrity sha512-VoMINM2rqJwJgfdHq6RiUudKt2BV+FY5ZFezP/ypmwayk68+NzzAQy4XXLlqsGD4MCzq3DrmNFD/uUmBJuGoXw==
+  version "5.2.2"
+  resolved "https://registry.yarnpkg.com/basic-ftp/-/basic-ftp-5.2.2.tgz#4cb2422deddf432896bdb3c9b8f13b944ad4842c"
+  integrity sha512-1tDrzKsdCg70WGvbFss/ulVAxupNauGnOlgpyjKzeQxzyllBLS0CGLV7tjIXTK3ZQA9/FBEm9qyFFN1bciA6pw==
 
 batchflow@^0.4.0:
   version "0.4.0"