cli: use new eslint plugin + fix issues

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

plugins/code-climate/src/setupTests.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-/* eslint-disable import/no-extraneous-dependencies */
+/* eslint-disable @backstage/no-undeclared-imports */
 
 import '@testing-library/jest-dom';
 import 'cross-fetch/polyfill';