add mutex_m to Gemfile

removed from Standard in 3.4, and gives a warning
seek4science · Jan 10, 2025 · cd81d57 · cd81d57
1 parent 2c5748c
commit cd81d57
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diff --git a/Gemfile b/Gemfile
@@ -161,10 +161,12 @@ gem 'licensee'
 
 gem "sitemap_generator", "~> 6.3"
 
+# removed from Standard in Ruby 3.4
 gem 'observer'
 gem 'abbrev'
 gem 'csv'
 gem 'nkf'
+gem 'mutex_m'
 
 group :production do
   gem 'passenger'

diff --git a/Gemfile.lock b/Gemfile.lock
@@ -494,6 +494,7 @@ GEM
     multi_json (1.15.0)
     multi_xml (0.6.0)
     multipart-post (2.3.0)
+    mutex_m (0.3.0)
     mysql2 (0.5.6)
     namae (1.1.1)
     nesty (1.0.2)
@@ -1062,6 +1063,7 @@ DEPENDENCIES
   mimemagic (~> 0.3.7)
   minitest (~> 5.14)
   minitest-reporters
+  mutex_m
   my_responds_to_parent!
   mysql2
   net-ftp