Fix missing replaces field in front matter

Signed-off-by: Matthias Büchse <matthias.buechse@alasca.cloud>

Author: mbuechse

Standards/scs-0210-v2-k8s-version-policy.md

@@ -4,6 +4,7 @@ type: Standard
 stabilized_at: 2024-02-08
 status: Stable
 track: KaaS
+replaces: scs-0210-v1-k8s-new-version-policy.md
 ---
 
 ## Introduction