Pin Bazel to 0.28.1 because of a remote execution bug.
We can roll-forward to 0.29.1 when it is released.
# Please do not clear or delete this file when an incident is over.
# Instead, simply replace all values with empty strings ("").
---
-message: ""
-issue_url: ""
-last_good_bazel: ""
+message: "Bazel 0.29.0 is broken with remote execution"
+issue_url: "https://github.com/bazelbuild/bazel/issues/9284"
+last_good_bazel: "0.28.1"
