stackdriver: correct aligner name

public/app/plugins/datasource/stackdriver/StackdriverMetricFindQuery.ts

@@ -17,7 +17,7 @@ export default class StackdriverMetricFindQuery {
           return this.handleLabelQuery(query);
         case MetricFindQueryTypes.ResourceTypes:
           return this.handleResourceTypeQuery(query);
-        case MetricFindQueryTypes.Alignerns:
+        case MetricFindQueryTypes.Aligners:
           return this.handleAlignersQuery(query);
         case MetricFindQueryTypes.AlignmentPeriods:
           return this.handleAlignmentPeriodQuery();

public/app/plugins/datasource/stackdriver/components/TemplateQueryComponent.tsx

@@ -12,7 +12,7 @@ export class StackdriverTemplateQueryComponent extends PureComponent<TemplateQue
     { value: MetricFindQueryTypes.ResourceLabels, name: 'Resource Labels' },
     { value: MetricFindQueryTypes.ResourceTypes, name: 'Resource Types' },
     { value: MetricFindQueryTypes.Aggregations, name: 'Aggregations' },
-    { value: MetricFindQueryTypes.Alignerns, name: 'Aligners' },
+    { value: MetricFindQueryTypes.Aligners, name: 'Aligners' },
     { value: MetricFindQueryTypes.AlignmentPeriods, name: 'Alignment Periods' },
   ];
 
@@ -162,7 +162,7 @@ export class StackdriverTemplateQueryComponent extends PureComponent<TemplateQue
             )}
           </React.Fragment>
         );
-      case MetricFindQueryTypes.Alignerns:
+      case MetricFindQueryTypes.Aligners:
       case MetricFindQueryTypes.Aggregations:
         return (
           <React.Fragment>

public/app/plugins/datasource/stackdriver/components/__snapshots__/TemplateQueryComponent.test.tsx.snap

@@ -45,7 +45,7 @@ Array [
           Aggregations
         </option>
         <option
-          value="alignerns"
+          value="aligners"
         >
           Aligners
         </option>

public/app/plugins/datasource/stackdriver/types.ts

@@ -5,7 +5,7 @@ export enum MetricFindQueryTypes {
   ResourceLabels = 'resourceLabels',
   ResourceTypes = 'resourceTypes',
   Aggregations = 'aggregations',
-  Alignerns = 'alignerns',
+  Aligners = 'aligners',
   AlignmentPeriods = 'alignmentPeriods',
 }