fix nav for 2026 2nd try

Author: tobru

docs/modules/ROOT/nav.adoc

@@ -123,7 +123,7 @@
 ** xref:exoscale-dbaas/redis/usage.adoc[Usage]
 
 .Changelog
-* xref:changelog/2026-01-13.adoc[2025-01-13]
+* xref:changelog/2026-01-13.adoc[2026-01-13]
 * xref:changelog/2025-12-16.adoc[2025-12-16]
 * xref:changelog/2025-12-02.adoc[2025-12-02]
 * xref:changelog/2025-11-18.adoc[2025-11-18]