Bump ruby-debug-ide QA gem to v0.7.2

This fixes an install issue, which was fixed by
ruby-debug/ruby-debug-ide#142.

Closes https://gitlab.com/gitlab-org/gitlab/-/issues/214912

Author: stanhu

qa/Gemfile.lock

@@ -93,7 +93,7 @@ GEM
     rspec-support (3.7.0)
     rspec_junit_formatter (0.4.1)
       rspec-core (>= 2, < 4, != 2.12.0)
-    ruby-debug-ide (0.7.0)
+    ruby-debug-ide (0.7.2)
       rake (>= 0.8.1)
     rubyzip (1.3.0)
     selenium-webdriver (3.142.6)