chore: Prepare ref to stackablectl release notes

Author: Techassi

modules/ROOT/partials/release-notes/release-25.7.adoc

@@ -18,7 +18,7 @@ The SDP 25.7.0 release is the first release which  will **only** be published on
 In previous releases, releases of the `stackablectl` CLI tool were synced with platform releases.
 The tool itself was never tied to a particular version of SDP.
 As such, it was decided to version `stackablectl` independently.
-// TODO (@Techassi): Actually create and link that page
+// Starting with this release, the release notes for `stackablectl` are located on a separate xref:management:stackablectl/release-notes.adoc[page].
 Starting with this release, the release notes for `stackablectl` are located on a separate page.
 ====