build(deps): bump httpclient from 2.8.3 to 2.9.0

Bumps [httpclient](https://github.com/nahi/httpclient) from 2.8.3 to 2.9.0.
- [Changelog](https://github.com/nahi/httpclient/blob/master/CHANGELOG.md)
- [Commits](nahi/httpclient@v2.8.3...v2.9.0)

---
updated-dependencies:
- dependency-name: httpclient
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gemfile.lock

@@ -261,7 +261,8 @@ GEM
     http-cookie (1.0.5)
       domain_name (~> 0.5)
     http-form_data (2.3.0)
-    httpclient (2.8.3)
+    httpclient (2.9.0)
+      mutex_m
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
     io-console (0.8.0)