Merge pull request #2505 from ruby/dependabot/bundler/steep/drb-2.2.3

Bump drb from 2.2.1 to 2.2.3 in /steep

Author: soutaro

steep/Gemfile.lock

@@ -21,7 +21,7 @@ GEM
     concurrent-ruby (1.3.5)
     connection_pool (2.5.3)
     csv (3.3.4)
-    drb (2.2.1)
+    drb (2.2.3)
     ffi (1.17.2)
     fileutils (1.7.3)
     i18n (1.14.7)