chore: Integrate new gapic-generator-java and rules_gapic (#876)

* chore: Integrate new gapic-generator-java and rules_gapic

PiperOrigin-RevId: 454027580

Source-Link: googleapis/googleapis@1b22277

Source-Link: https://github.com/googleapis/googleapis-gen/commit/e04cea20d0d12eb5c3bdb360a9e72b654edcb638
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZTA0Y2VhMjBkMGQxMmViNWMzYmRiMzYwYTllNzJiNjU0ZWRjYjYzOCJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

java-errorreporting/google-cloud-errorreporting/src/main/java/com/google/devtools/clouderrorreporting/v1beta1/ErrorStatsServiceClient.java

@@ -339,7 +339,7 @@ public final ListGroupStatsPagedResponse listGroupStats(ListGroupStatsRequest re
    *   while (true) {
    *     ListGroupStatsResponse response =
    *         errorStatsServiceClient.listGroupStatsCallable().call(request);
-   *     for (ErrorGroupStats element : response.getResponsesList()) {
+   *     for (ErrorGroupStats element : response.getErrorGroupStatsList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();
@@ -509,7 +509,7 @@ public final UnaryCallable<ListEventsRequest, ListEventsPagedResponse> listEvent
    *           .build();
    *   while (true) {
    *     ListEventsResponse response = errorStatsServiceClient.listEventsCallable().call(request);
-   *     for (ErrorEvent element : response.getResponsesList()) {
+   *     for (ErrorEvent element : response.getErrorEventsList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();