fix(material-experimental/mdc-paginator): rename module file (#22387)

Author: andrewseguin

src/material-experimental/mdc-paginator/paginator-module.ts renamed to src/material-experimental/mdc-paginator/module.ts

@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-export * from './paginator-module';
+export * from './module';
 export * from './paginator';
 export {
   MatPaginatorIntl,