Merge branch 'levsha/Reset-bes_upload_mode-to-default-wait_for_upload_complete' into 'master'

Reset bes_upload_mode to default: wait_for_upload_complete

We don't need async mode anymore as buildbuddy cli makes working with
bes reliable. Builbuddy developers also suggest to not use async mode
with buildbuddy cli as it causes unexpected behaviour in some cases.
Chances are this is one of them: https://gitlab.com/dfinity-lab/public/ic/-/jobs/4340519478 

See merge request dfinity-lab/public/ic!12562

Author: marko-k0

.bazelrc

@@ -40,11 +40,8 @@ build:ci --build_event_binary_file=bazel-bep.pb
 
 build --bes_results_url=https://dash.idx.dfinity.network/invocation/
 build --bes_backend=bes.idx.dfinity.network
-build --bes_timeout=30s # Defauilt is no timeout.
-build --bes_upload_mode=fully_async
-# TODO(IDX-2718): Uncomment when bes service will be stable.
-#build:ci --bes_timeout=180s # Defauilt is no timeout.
-#build:ci --bes_upload_mode=wait_for_upload_complete
+build --bes_timeout=30s # Default is no timeout.
+build:ci --bes_timeout=180s # Default is no timeout.
 
 build --remote_local_fallback
 build --workspace_status_command=$(pwd)/bazel/workspace_status.sh