update ruby gem requirements

Author: titusfortner

examples/ruby/Gemfile

@@ -8,5 +8,5 @@ gem 'rspec', '~> 3.0'
 gem 'rubocop', '~> 1.35'
 gem 'rubocop-rspec', '~> 2.12'
 gem 'selenium-webdriver', '~> 4.0'
-gem 'webdrivers', '~> 5.0'
+gem 'webdrivers', '~> 5.1'
 gem 'ffi', '~> 1.15', '>= 1.15.5'

examples/ruby/Gemfile.lock

@@ -4,6 +4,7 @@ GEM
     ast (2.4.2)
     childprocess (4.1.0)
     diff-lcs (1.5.0)
+    ffi (1.15.5)
     json (2.6.2)
     nokogiri (1.13.8-x86_64-darwin)
       racc (~> 1.4)
@@ -23,14 +24,14 @@ GEM
       rspec-mocks (~> 3.11.0)
     rspec-core (3.11.0)
       rspec-support (~> 3.11.0)
-    rspec-expectations (3.11.0)
+    rspec-expectations (3.11.1)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.11.0)
     rspec-mocks (3.11.1)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.11.0)
-    rspec-support (3.11.0)
-    rubocop (1.35.0)
+    rspec-support (3.11.1)
+    rubocop (1.36.0)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.1.2.1)
@@ -42,17 +43,17 @@ GEM
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.21.0)
       parser (>= 3.1.1.0)
-    rubocop-rspec (2.12.1)
-      rubocop (~> 1.31)
+    rubocop-rspec (2.13.1)
+      rubocop (~> 1.33)
     ruby-progressbar (1.11.0)
     rubyzip (2.3.2)
     selenium-webdriver (4.4.0)
       childprocess (>= 0.5, < 5.0)
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
-    unicode-display_width (2.2.0)
-    webdrivers (5.0.0)
+    unicode-display_width (2.3.0)
+    webdrivers (5.1.0)
       nokogiri (~> 1.6)
       rubyzip (>= 1.3.0)
       selenium-webdriver (~> 4.0)
@@ -64,12 +65,13 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  ffi (~> 1.15, >= 1.15.5)
   rake (~> 13.0)
   rspec (~> 3.0)
   rubocop (~> 1.35)
   rubocop-rspec (~> 2.12)
   selenium-webdriver (~> 4.0)
-  webdrivers (~> 5.0)
+  webdrivers (~> 5.1)
 
 BUNDLED WITH
    2.3.20