Bump lemmatizer from 0.1.1 to 0.2.0

Bumps [lemmatizer](https://github.com/yohasebe/lemmatizer) from 0.1.1 to 0.2.0.
- [Release notes](https://github.com/yohasebe/lemmatizer/releases)
- [Commits](yohasebe/lemmatizer@v0.1.1...v0.2.0)

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

Gemfile

@@ -63,7 +63,7 @@ gem 'whenever', require: false
 gem 'will_paginate', '>= 3.0.6'
 gem 'will_paginate-bootstrap', '>= 1.0.1'
 gem 'jquery-atwho-rails'
-gem 'lemmatizer', '~> 0.1.1'
+gem 'lemmatizer', '~> 0.2.0'
 # To implement incoming mail processing microframework
 gem 'mailman', require: false
 

Gemfile.lock

@@ -182,7 +182,7 @@ GEM
     jwt (2.1.0)
     launchy (2.4.3)
       addressable (~> 2.3)
-    lemmatizer (0.1.1)
+    lemmatizer (0.2.0)
     less (2.6.0)
       commonjs (~> 0.2.7)
     less-rails (4.0.0)
@@ -509,7 +509,7 @@ DEPENDENCIES
   jquery-atwho-rails
   jquery-rails
   json_expressions
-  lemmatizer (~> 0.1.1)
+  lemmatizer (~> 0.2.0)
   less-rails (~> 4.0)
   letter_opener
   listen (~> 3.1.5)