Add catalog-client as dev dependency as it's used in tests

plugins/catalog-import/package.json

@@ -49,6 +49,7 @@
     "yaml": "^1.10.0"
   },
   "devDependencies": {
+    "@backstage/catalog-client": "^0.3.5",
     "@backstage/cli": "^0.5.0",
     "@backstage/dev-utils": "^0.1.8",
     "@backstage/test-utils": "^0.1.6",

plugins/catalog-import/src/components/ImportComponentForm.test.tsx

@@ -13,13 +13,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+import { CatalogClient } from '@backstage/catalog-client';
 import {
   ApiProvider,
   ApiRegistry,
   DiscoveryApi,
   errorApiRef,
 } from '@backstage/core';
-import { catalogApiRef, CatalogClient } from '@backstage/plugin-catalog-react';
+import { catalogApiRef } from '@backstage/plugin-catalog-react';
 import { renderInTestApp } from '@backstage/test-utils';
 import { fireEvent, screen, waitFor } from '@testing-library/react';
 import React from 'react';

plugins/catalog-import/src/components/ImportComponentPage.test.tsx

@@ -13,13 +13,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+import { CatalogClient } from '@backstage/catalog-client';
 import {
   ApiProvider,
   ApiRegistry,
   configApiRef,
   errorApiRef,
 } from '@backstage/core';
-import { catalogApiRef, CatalogClient } from '@backstage/plugin-catalog-react';
+import { catalogApiRef } from '@backstage/plugin-catalog-react';
 import { msw, renderInTestApp } from '@backstage/test-utils';
 import { fireEvent, screen, waitFor } from '@testing-library/react';
 import { rest } from 'msw';