App Manager v1.121.0 release notes (#2822)

* App Manager v1.121.0 release notes

---------

Co-authored-by: replicated-ci-kots <[email protected]>
Co-authored-by: Alex Parker <[email protected]>

Author: 3 people

docs/release-notes/rn-app-manager.md

@@ -18,6 +18,15 @@ The following table lists the versions of Kubernetes that are compatible with ea
 
 <!--RELEASE_NOTES_PLACEHOLDER-->
 
+## 1.121.0
+
+Released on November 12, 2024
+
+Support for Kubernetes: 1.29, 1.30, and 1.31
+
+### New Features {#new-features-1-121-0}
+* Adds the ability to download the application archive for any version, including the currently deployed version, by using the `--sequence` and `--current` flags for the `kots download` command.
+
 ## 1.120.3
 
 Released on November 7, 2024