Use newer capybara for test stability

Gemfile.lock

@@ -23,8 +23,8 @@ GEM
       minitest (>= 5.1)
       tzinfo (~> 2.0)
       zeitwerk (~> 2.3)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.5)
+      public_suffix (>= 2.0.2, < 6.0)
     aruba (1.1.2)
       bundler (>= 1.17, < 3.0)
       childprocess (>= 2.0, < 5.0)
@@ -35,8 +35,9 @@ GEM
     ast (2.4.2)
     benchmark-ips (2.9.2)
     builder (3.2.4)
-    capybara (3.35.3)
+    capybara (3.39.2)
       addressable
+      matrix
       mini_mime (>= 0.1.3)
       nokogiri (~> 1.8)
       rack (>= 1.6.0)
@@ -89,14 +90,14 @@ GEM
     matrix (0.4.2)
     method_source (1.0.0)
     middleware (0.1.0)
-    mini_mime (1.1.2)
-    mini_portile2 (2.6.1)
+    mini_mime (1.1.5)
+    mini_portile2 (2.8.4)
     minitest (5.15.0)
     multi_test (0.1.2)
-    nokogiri (1.12.5)
-      mini_portile2 (~> 2.6.1)
+    nokogiri (1.15.4)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.12.5-java)
+    nokogiri (1.15.4-java)
       racc (~> 1.4)
     parallel (1.22.1)
     parser (3.1.3.0)
@@ -114,15 +115,15 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
       spoon (~> 0.0)
-    public_suffix (4.0.6)
-    racc (1.6.0)
-    racc (1.6.0-java)
-    rack (2.2.3.1)
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
+    public_suffix (5.0.3)
+    racc (1.7.1)
+    racc (1.7.1-java)
+    rack (3.0.8)
+    rack-test (2.1.0)
+      rack (>= 1.3)
     rainbow (3.1.1)
     rake (13.0.6)
-    regexp_parser (2.6.1)
+    regexp_parser (2.8.1)
     rexml (3.2.5)
     rspec (3.10.0)
       rspec-core (~> 3.10.0)