Ruby: Add change note

hmac · hmac · commit 8e55e62b152f · 2022-10-13T13:24:16.000+13:00
diff --git a/ruby/ql/lib/change-notes/2022-10-13-actiondispatch-request.md b/ruby/ql/lib/change-notes/2022-10-13-actiondispatch-request.md
@@ -0,0 +1,5 @@
+---
+category: minorAnalysis
+---
+* More sources of remote input arising from methods on `ActionDispatch::Request`
+  are now recognised.
