Bump httparty from 0.23.1 to 0.24.0 in /back

Bumps [httparty](https://github.com/jnunemaker/httparty) from 0.23.1 to 0.24.0.
- [Release notes](https://github.com/jnunemaker/httparty/releases)
- [Changelog](https://github.com/jnunemaker/httparty/blob/main/Changelog.md)
- [Commits](jnunemaker/httparty@v0.23.1...v0.24.0)

---
updated-dependencies:
- dependency-name: httparty
  dependency-version: 0.24.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

back/Gemfile.lock

@@ -761,7 +761,7 @@ GEM
     http-cookie (1.0.8)
       domain_name (~> 0.5)
     http-form_data (2.3.0)
-    httparty (0.23.1)
+    httparty (0.24.0)
       csv
       mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
@@ -875,8 +875,8 @@ GEM
     mrml (1.7.0-x86_64-linux)
     msgpack (1.7.2)
     multi_json (1.15.0)
-    multi_xml (0.7.1)
-      bigdecimal (~> 3.1)
+    multi_xml (0.8.0)
+      bigdecimal (>= 3.1, < 5)
     multipart-post (2.4.1)
     mustache (1.1.1)
     mutex_m (0.3.0)