Ruby: Add change note

hmac · hmac · commit 33a1469a56e2 · 2023-01-12T16:29:00.000+13:00
diff --git a/ruby/ql/lib/change-notes/2023-01-12-rack.md b/ruby/ql/lib/change-notes/2023-01-12-rack.md
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+---
+category: minorAnalysis
+---
+* Access to headers stored in the `env` of Rack requests is now recognized as a source of remote input.

-Original file line number
+Diff line change
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 +---
 +category: minorAnalysis
 +---
 +* Access to headers stored in the `env` of Rack requests is now recognized as a source of remote input.