Ruby: add changenote for Enumerable#index_by flow summary

nickrolfe · nickrolfe · commit c80fbff648e9 · 2022-11-14T12:47:50.000Z
diff --git a/ruby/ql/lib/change-notes/2022-11-14-activesupport-enumerable-index-by.md b/ruby/ql/lib/change-notes/2022-11-14-activesupport-enumerable-index-by.md
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+---
+category: minorAnalysis
+---
+* Data flow through the `ActiveSupport` extension `Enumerable#index_by` is now modeled.

-Original file line number
+Diff line change
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 +---
 +category: minorAnalysis
 +---
 +* Data flow through the `ActiveSupport` extension `Enumerable#index_by` is now modeled.