Bump capybara for ruby 3.1

The matrix gem was removed from ruby 3.1, but was required for capybara,
but the current version added it as a dependency.

Gemfile

@@ -228,7 +228,7 @@ group :test do
 
   # Cucumber (integration tests)
 
-  gem "capybara",         "3.35.3"
+  gem "capybara",         "3.39.2"
   gem "cuprite",          "0.14.3"
   gem "database_cleaner-active_record", "2.0.1"
 

Gemfile.lock

@@ -98,8 +98,9 @@ GEM
     buftok (0.2.0)
     builder (3.2.4)
     byebug (11.1.3)
-    capybara (3.35.3)
+    capybara (3.39.2)
       addressable
+      matrix
       mini_mime (>= 0.1.3)
       nokogiri (~> 1.8)
       rack (>= 1.6.0)
@@ -417,6 +418,7 @@ GEM
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     marcel (1.0.2)
+    matrix (0.4.2)
     memoizable (0.4.2)
       thread_safe (~> 0.3, >= 0.3.1)
     method_source (1.0.0)
@@ -425,7 +427,7 @@ GEM
     mime-types-data (3.2022.0105)
     mini_magick (4.11.0)
     mini_mime (1.1.2)
-    mini_portile2 (2.8.0)
+    mini_portile2 (2.8.2)
     minitest (5.15.0)
     mobile-fu (1.4.0)
       rack-mobile-detect
@@ -448,9 +450,7 @@ GEM
       io-wait
       timeout
     net-smtp (0.2.1)
-      digest
       net-protocol
-      timeout
     nio4r (2.5.8)
     nokogiri (1.13.7)
       mini_portile2 (~> 2.8.0)
@@ -536,8 +536,8 @@ GEM
     puma (5.6.5)
       nio4r (~> 2.0)
     raabro (1.4.0)
-    racc (1.6.0)
-    rack (2.2.4)
+    racc (1.7.0)
+    rack (2.2.7)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
     rack-google-analytics (1.2.0)
@@ -557,7 +557,7 @@ GEM
     rack-rewrite (1.5.1)
     rack-ssl (1.4.1)
       rack
-    rack-test (2.0.2)
+    rack-test (2.1.0)
       rack (>= 1.3)
     rails (6.1.6.1)
       actioncable (= 6.1.6.1)
@@ -604,7 +604,7 @@ GEM
       ffi (~> 1.0)
     redcarpet (3.5.1)
     redis (4.7.0)
-    regexp_parser (2.5.0)
+    regexp_parser (2.8.1)
     request_store (1.5.1)
       rack (>= 1.4)
     responders (3.0.1)
@@ -799,7 +799,7 @@ DEPENDENCIES
   babel-transpiler (= 0.7.0)
   bootstrap-sass (= 3.4.1)
   bootstrap-switch-rails (= 3.3.3)
-  capybara (= 3.35.3)
+  capybara (= 3.39.2)
   carrierwave (= 2.2.4)
   chrome_remote (= 0.3.0)
   configurate (= 0.5.0)