Update trigger_block.vue to use GlTableLite

And update specs

app/assets/javascripts/jobs/components/trigger_block.vue

 <script>
-import { GlButton, GlTable } from '@gitlab/ui';
+import { GlButton, GlTableLite } from '@gitlab/ui';
 import { __ } from '~/locale';
 
 const DEFAULT_TD_CLASSES = 'gl-w-half gl-font-sm! gl-border-gray-200!';
@@ -25,7 +25,7 @@ export default {
   ],
   components: {
     GlButton,
-    GlTable,
+    GlTableLite,
   },
   props: {
     trigger: {
@@ -84,7 +84,7 @@ export default {
         >
       </p>
 
-      <gl-table :items="trigger.variables" :fields="$options.fields" small bordered fixed>
+      <gl-table-lite :items="trigger.variables" :fields="$options.fields" small bordered fixed>
         <template #cell(key)="{ item }">
           <span class="gl-overflow-break-word">{{ item.key }}</span>
         </template>
@@ -92,7 +92,7 @@ export default {
         <template #cell(value)="data">
           <span class="gl-overflow-break-word">{{ getDisplayValue(data.value) }}</span>
         </template>
-      </gl-table>
+      </gl-table-lite>
     </template>
   </div>
 </template>

spec/frontend/jobs/components/trigger_block_spec.js

-import { GlButton, GlTable } from '@gitlab/ui';
+import { GlButton, GlTableLite } from '@gitlab/ui';
 import { mount } from '@vue/test-utils';
 import TriggerBlock from '~/jobs/components/trigger_block.vue';
 
 describe('Trigger block', () => {
   let wrapper;
 
-  const findRevealButton = () => wrapper.find(GlButton);
-  const findVariableTable = () => wrapper.find(GlTable);
+  const findRevealButton = () => wrapper.findComponent(GlButton);
+  const findVariableTable = () => wrapper.findComponent(GlTableLite);
   const findShortToken = () => wrapper.find('[data-testid="trigger-short-token"]');
   const findVariableValue = (index) =>
     wrapper.findAll('[data-testid="trigger-build-value"]').at(index);
@@ -22,7 +22,6 @@ describe('Trigger block', () => {
 
   afterEach(() => {
     wrapper.destroy();
-    wrapper = null;
   });
 
   describe('with short token and no variables', () => {