Elasticsearch: fix partial blob indexing on push

CHANGELOG-EE

@@ -4,6 +4,9 @@ v 8.5.0 (unreleased)
   - Show warning when mirror repository default branch could not be updated because it has diverged from upstream.
   - More reliable wiki indexer
 
+v 8.4.3
+  - Elasticsearch: fix partial blob indexing on push 
+
 v 8.4.2
   - Elasticsearch indexer performance improvements
   - Don't redirect away from Mirror Repository settings when repo is empty

app/services/git_push_service.rb

@@ -67,7 +67,7 @@ class GitPushService
 
     if Gitlab.config.elasticsearch.enabled
       project.repository.index_commits(from_rev: oldrev, to_rev: newrev)
-      project.repository.index_blobs(from_rev: oldrev, to_rev: oldrev)
+      project.repository.index_blobs(from_rev: oldrev, to_rev: newrev)
     end
 
     CreateCommitBuildsService.new.execute(project, @user, @push_data, mirror_update: mirror_update)