Update revision history in Changes file to include acknowledgment for PR theory#370 contributions

Author: RampantDespair

Changes

@@ -11,7 +11,7 @@ Revision history for pgTAP
   `hasnt_fk()`, `has_unique()`, and `has_check()`, and added `hasnt_unique()`
   and `hasnt_check()`. Also changed `has_unique()` argument types from `TEXT`
   to `NAME` so they can share a consistent overload order with the other
-  constraint assertions.
+  constraint assertions. Thanks to @RampantDespair for the PR (#370).
 
 1.3.4 2025-10-04T17:20:28Z
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