Update httparty requirement from >= 0.13.7, < 0.19.0 to >= 0.13.7, < …

…0.22.0

Updates the requirements on [httparty](https://github.com/jnunemaker/httparty) to permit the latest version.
- [Release notes](https://github.com/jnunemaker/httparty/releases)
- [Changelog](https://github.com/jnunemaker/httparty/blob/master/Changelog.md)
- [Commits](jnunemaker/httparty@v0.18.1...v0.21.0)

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

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

Gemfile.lock

@@ -15,7 +15,7 @@ PATH
   remote: .
   specs:
     circlemator (0.7.0)
-      httparty (>= 0.13.7, < 0.19.0)
+      httparty (>= 0.13.7, < 0.22.0)
       pronto (~> 0.11.0)
       pronto-brakeman (~> 0.11.0)
       pronto-commentator (~> 0)
@@ -80,8 +80,8 @@ GEM
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
     hashdiff (1.0.1)
-    httparty (0.18.1)
-      mime-types (~> 3.0)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
@@ -94,9 +94,7 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     lumberjack (1.0.13)
     method_source (0.9.2)
-    mime-types (3.3.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2021.0704)
+    mini_mime (1.1.2)
     minitest (5.16.3)
     multi_xml (0.6.0)
     multipart-post (2.1.1)

circlemator.gemspec

@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.add_dependency 'httparty', '>= 0.13.7', '< 0.19.0'
+  spec.add_dependency 'httparty', '>= 0.13.7', '< 0.22.0'
   spec.add_dependency 'pronto', '~> 0.11.0'
   spec.add_dependency 'pronto-rubocop', '~> 0.11.0'
   spec.add_dependency 'pronto-commentator', '~> 0'