add paginate

Signed-off-by: kim5566 <qi.jin@anz.com>

.changeset/tidy-shoes-occur.md

@@ -0,0 +1,5 @@
+---
+'@backstage/integration': patch
+---
+
+Handle pagination on return results when fetch Github API to list selected repos

packages/integration/src/github/GithubCredentialsProvider.ts

@@ -111,8 +111,8 @@ class GithubAppManager {
           auth: result.data.token,
         });
         const repos =
-          await installationClient.apps.listReposAccessibleToInstallation();
-        const hasRepo = repos.data.repositories.some(repository => {
+          await installationClient.paginate(installationClient.apps.listReposAccessibleToInstallation);
+        const hasRepo = repos && repos.repositories.some(repository => {
           return repository.name === repo;
         });
         if (!hasRepo) {