Bump httparty from 0.16.1 to 0.16.2

Bumps [httparty](https://github.com/jnunemaker/httparty) from 0.16.1 to 0.16.2.
- [Release notes](https://github.com/jnunemaker/httparty/releases)
- [Changelog](https://github.com/jnunemaker/httparty/blob/master/Changelog.md)
- [Commits](jnunemaker/httparty@v0.16.1...v0.16.2)

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

Gemfile.lock

@@ -133,7 +133,7 @@ GEM
       rubocop (~> 0.20)
     hashdiff (0.3.7)
     hirb (0.7.3)
-    httparty (0.16.1)
+    httparty (0.16.2)
       multi_xml (>= 0.5.2)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)