Update Snapshot Tests

spec/frontend/monitoring/components/__snapshots__/dashboard_template_spec.js.snap

@@ -7,6 +7,7 @@ exports[`Dashboard template matches the default snapshot 1`] = `
   environmentstate="available"
   metricsdashboardbasepath="/monitoring/monitor-project/-/environments/1/metrics"
   metricsendpoint="/monitoring/monitor-project/-/environments/1/additional_metrics.json"
+  prometheusstatus=""
 >
   <alerts-deprecation-warning-stub />
    

spec/frontend/vue_shared/components/__snapshots__/memory_graph_spec.js.snap

@@ -9,7 +9,6 @@ exports[`MemoryGraph Render chart should draw container with chart 1`] = `
     data="Nov 12 2019 19:17:33,2.87,Nov 12 2019 19:18:33,2.78,Nov 12 2019 19:19:33,2.78,Nov 12 2019 19:20:33,3.01"
     height="25"
     tooltiplabel="MB"
-    variant="gray900"
   />
 </div>
 `;