add search analytics tag to dependencies search (codesandbox#1533)

This is to make sure we can correctly know how many of the queries are from codesandbox, and which kind of empty queries are done

Author: Haroenv

packages/app/src/app/pages/Sandbox/SearchDependencies/index.js

@@ -53,7 +53,10 @@ export default class SearchDependencies extends React.PureComponent {
         apiKey="00383ecd8441ead30b1b0ff981c426f5"
         indexName="npm-search"
       >
-        <Configure hitsPerPage={5} />
+        <Configure
+          analyticsTags={['codesandbox-dependencies']}
+          hitsPerPage={5}
+        />
         <ConnectedAutoComplete
           onSelect={this.handleSelect}
           onManualSelect={this.handleManualSelect}