Vendor Portal v2024.09.09-0 release notes (#2625)

* Vendor Portal v2024.09.09-0 release notes

* Update rn-vendor-platform.md

---------

Co-authored-by: replicated-ci <[email protected]>
Co-authored-by: Paige Calvert <[email protected]>

Author: replicated-ci

docs/release-notes/rn-vendor-platform.md

@@ -8,6 +8,13 @@ pagination_prev: null
 
 <!--RELEASE_NOTES_PLACEHOLDER-->
 
+## v2024.09.09-0
+
+Released on September 9, 2024
+
+### New Features {#new-features-v2024-09-09-0}
+* Adds support for setting custom passwords for the customer's Download Portal. See [Sharing Assets Through the Download Portal](/vendor/releases-share-download-portal).
+
 ## v2024.09.05-3
 
 Released on September 5, 2024