[Timelion] Update timelion deprecation links (#77008)

Author: stratoula

src/core/public/doc_links/doc_links_service.ts

@@ -129,7 +129,7 @@ export class DocLinksService {
         },
         visualize: {
           guide: `${ELASTIC_WEBSITE_URL}guide/en/kibana/${DOC_LINK_VERSION}/visualize.html`,
-          timelionDeprecation: `${ELASTIC_WEBSITE_URL}guide/en/kibana/${DOC_LINK_VERSION}/timelion.html#timelion-deprecation`,
+          timelionDeprecation: `${ELASTIC_WEBSITE_URL}guide/en/kibana/${DOC_LINK_VERSION}/dashboard.html#timelion-deprecation`,
         },
       },
     });

src/plugins/timelion/server/plugin.ts

@@ -42,7 +42,7 @@ const showWarningMessageIfTimelionSheetWasFound = (core: CoreStart, logger: Logg
       ({ total }) =>
         total &&
         logger.warn(
-          'Deprecated since 7.0, the Timelion app will be removed in 8.0. To continue using your Timelion worksheets, migrate them to a dashboard. See https://www.elastic.co/guide/en/kibana/master/timelion.html#timelion-deprecation.'
+          'Deprecated since 7.0, the Timelion app will be removed in 8.0. To continue using your Timelion worksheets, migrate them to a dashboard. See https://www.elastic.co/guide/en/kibana/master/dashboard.html#timelion-deprecation.'
         )
     );
 };