Update go/ql/lib/change-notes/2025-03-04-improve-models-for-sync-map.md

Co-authored-by: Michael B. Gale <[email protected]>

Author: owen-mc

go/ql/lib/change-notes/2025-03-04-improve-models-for-sync-map.md

@@ -1,4 +1,4 @@
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 category: minorAnalysis
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-* We no longer track taint into a `sync.Map` via the key of a key-value pair, since there is no way of reading the keys stored in the `sync.Map` back.
+* We no longer track taint into a `sync.Map` via the key of a key-value pair, since we do not model any way in which keys can be read from a `sync.Map`.