[Workers] Update Workers changelog incl. V8 13.2, 13.3 (#19711)

Author: fhanau

src/content/changelogs/workers.yaml

@@ -5,6 +5,15 @@ productLink: "/workers/"
 productArea: Developer platform
 productAreaLink: /workers/platform/changelog/platform/
 entries:
+  - publish_date: "2025-01-31"
+    description: |-
+      - Updated v8 to version 13.3.
+  - publish_date: "2025-01-15"
+    description: |-
+      - The runtime will no longer reuse isolates across worker versions even if the code happens to be identical. This "optimization" was deemed more confusing than it is worth.
+  - publish_date: "2025-01-14"
+    description: |-
+      - Updated v8 to version 13.2.
   - publish_date: "2024-12-19"
     description: |-
       - **Cloudflare GitHub App Permissions Update**