MT#65037 grafana: Rename KeyDB dashboard to KeyValue DB

We have switched fully to Valkey, so KeyDB no longer matches reality,
and having the dashboard named after the old implementation is confusing.

Use a generic KeyValue DB to avoid tying ourselves up with a specific
implementation.

Change-Id: I7cfb6b7cea53df8c5bfbb3d7117bb80ae527689e
(cherry picked from commit 1098163238)
(cherry picked from commit adc90631ca)

share/templates/widgets/admin_topmenu_settings.tt

@@ -28,7 +28,7 @@
         [% END -%]
         <li><a href="/grafana/d/sip-statistics?ngcp_grafana_admin=no" class="ngcp-noback-link" target="_blank">[% c.loc('SIP Statistics') %]</a></li>
         <li><a href="/grafana/d/database-statistics?ngcp_grafana_admin=no" class="ngcp-noback-link" target="_blank">[% c.loc('DB Statistics') %]</a></li>
-        <li><a href="/grafana/d/keydb-statistics?ngcp_grafana_admin=no" class="ngcp-noback-link" target="_blank">[% c.loc('KeyDB Statistics') %]</a></li>
+        <li><a href="/grafana/d/db-keyvalue-statistics?ngcp_grafana_admin=no" class="ngcp-noback-link" target="_blank">[% c.loc('KeyValue DB Statistics') %]</a></li>
         <li><a href="/grafana/d/victoriametrics?ngcp_grafana_admin=no" class="ngcp-noback-link" target="_blank">[% c.loc('VictoriaMetrics Statistics') %]</a></li>
         <li><a href="/grafana/d/kam-statistics?ngcp_grafana_admin=no" class="ngcp-noback-link" target="_blank">[% c.loc('Kamailio Statistics') %]</a></li>
         <li><a href="/grafana/d/websocket-statistics?ngcp_grafana_admin=no" class="ngcp-noback-link" target="_blank">[% c.loc('Websocket Statistics') %]</a></li>