Move the changelog comment into releaseNotes.yml as required by the…

… build process.

Signed-off-by: Flynn <[email protected]>

CHANGELOG.md

@@ -103,6 +103,12 @@ it will be removed; but as it won't be user-visible this isn't considered a brea
 - Change: Upgraded Emissary-ingress to the latest release of Golang as part of our general
   dependency upgrade process.
 
+- Bugfix: Emissary-ingress was incorrectly caching Mappings with regex headers using the header name
+  instead of the Mapping name, which could reduce the cache's effectiveness. This has been fixed so
+  that the correct key is used. ([Incorrect Cache Key for Mapping])
+
+[Incorrect Cache Key for Mapping]: https://github.com/emissary-ingress/emissary/issues/5714
+
 ## [3.9.0] November 13, 2023
 [3.9.0]: https://github.com/emissary-ingress/emissary/compare/v3.8.0...v3.9.0
 

docs/releaseNotes.yml

@@ -58,6 +58,16 @@ items:
           Upgraded $productName$ to the latest release of Golang as part of our general dependency upgrade process.
       
 
+      - title: Fix internal keying for regex Mappings
+        type: bugfix
+        body: >-
+          $productName$ was incorrectly caching Mappings with regex headers
+          using the header name instead of the Mapping name, which could
+          reduce the cache's effectiveness. This has been fixed so that the
+          correct key is used.
+        github:
+          - title: "Incorrect Cache Key for Mapping"
+            link: https://github.com/emissary-ingress/emissary/issues/5714
 
   - version: 3.9.0
     prevVersion: 3.8.0