Update watir to 7.2.0

Summary: I was not able to run `ruby gentest.rb` from Yoga. Updating watir seems to fix the issue.

Reviewed By: shwanton, NickGerleman

Differential Revision: D46687292

fbshipit-source-id: 9922996144aa23fc7fa2f0dcb372367121689598

gentest/Gemfile

@@ -1,4 +1,4 @@
 source "https://rubygems.org"
 
-gem 'watir', '~>6.19.0'
+gem 'watir', '~>7.2.0'
 gem 'webdrivers', '~> 5.2.0'

gentest/Gemfile.lock

@@ -1,23 +1,19 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    childprocess (4.1.0)
-    mini_portile2 (2.8.1)
-    nokogiri (1.14.3)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.15.2-arm64-darwin)
       racc (~> 1.4)
-    racc (1.6.2)
-    regexp_parser (2.6.0)
+    racc (1.7.0)
+    regexp_parser (2.8.1)
     rexml (3.2.5)
     rubyzip (2.3.2)
-    selenium-webdriver (4.5.0)
-      childprocess (>= 0.5, < 5.0)
+    selenium-webdriver (4.10.0)
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
-    watir (6.19.1)
+    watir (7.2.2)
       regexp_parser (>= 1.2, < 3)
-      selenium-webdriver (>= 3.142.7)
+      selenium-webdriver (~> 4.2)
     webdrivers (5.2.0)
       nokogiri (~> 1.6)
       rubyzip (>= 1.3.0)
@@ -25,11 +21,11 @@ GEM
     websocket (1.2.9)
 
 PLATFORMS
-  ruby
+  arm64-darwin-22
 
 DEPENDENCIES
-  watir (~> 6.19.0)
+  watir (~> 7.2.0)
   webdrivers (~> 5.2.0)
 
 BUNDLED WITH
-   2.1.4
+   2.4.10