address deprecation / upcoming removal of mutex_m from default gems (…

…in Ruby 3.4)

Gemfile

@@ -24,6 +24,7 @@ gem 'jbuilder'
 gem 'jsbundling-rails', '>= 1.2.2'
 gem 'jwt'
 gem 'mini_magick', '>= 4.9.5'
+gem 'mutex_m', '~> 0.3.0'
 gem 'nkf', '~> 0.2.0'
 gem 'omniauth', '~> 2.1.2'
 gem 'omniauth_openid_connect', '>= 0.6.1'
@@ -59,7 +60,7 @@ group :test do
   gem 'selenium-webdriver'
   gem 'shoulda-matchers', '~> 5.0'
   gem 'webdrivers'
-  gem 'webmock'
+  gem 'webmock', '>= 3.23.1'
 end
 
 group :production do

Gemfile.lock

@@ -136,7 +136,8 @@ GEM
     clamby (1.6.10)
     concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
-    crack (0.4.5)
+    crack (1.0.0)
+      bigdecimal
       rexml
     crass (1.0.6)
     cssbundling-rails (1.3.3)
@@ -208,7 +209,7 @@ GEM
       multi_json (~> 1.11)
       os (>= 0.9, < 2.0)
       signet (>= 0.16, < 2.a)
-    hashdiff (1.0.1)
+    hashdiff (1.1.2)
     hashie (5.0.0)
     hcaptcha (7.1.0)
       json
@@ -485,7 +486,7 @@ GEM
       activesupport
       faraday (~> 2.0)
       faraday-follow_redirects
-    webmock (3.18.1)
+    webmock (3.24.0)
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
@@ -553,4 +554,4 @@ DEPENDENCIES
   tzinfo-data
   web-console (>= 4.2.1)
   webdrivers
-  webmock
+  webmock (>= 3.23.1)