chore: Integrate new gapic-generator-java and rules_gapic (#716)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 454027580

Source-Link: googleapis/googleapis@1b22277

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

Author: gcf-owl-bot[bot]

java-billingbudgets/google-cloud-billingbudgets/src/main/java/com/google/cloud/billing/budgets/v1/BudgetServiceClient.java

@@ -620,7 +620,7 @@ public final ListBudgetsPagedResponse listBudgets(ListBudgetsRequest request) {
    *           .build();
    *   while (true) {
    *     ListBudgetsResponse response = budgetServiceClient.listBudgetsCallable().call(request);
-   *     for (Budget element : response.getResponsesList()) {
+   *     for (Budget element : response.getBudgetsList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();

java-billingbudgets/google-cloud-billingbudgets/src/main/java/com/google/cloud/billing/budgets/v1beta1/BudgetServiceClient.java

@@ -411,7 +411,7 @@ public final ListBudgetsPagedResponse listBudgets(ListBudgetsRequest request) {
    *           .build();
    *   while (true) {
    *     ListBudgetsResponse response = budgetServiceClient.listBudgetsCallable().call(request);
-   *     for (Budget element : response.getResponsesList()) {
+   *     for (Budget element : response.getBudgetsList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();