Create separate context for annotation (#1166)

diff --git a/buildkite/bazelci.py b/buildkite/bazelci.py
index 462e506..225460a 100755
--- a/buildkite/bazelci.py
+++ b/buildkite/bazelci.py
@@ -2844,7 +2844,7 @@
             step = create_step(
                 label="No Incompatible flags info",
                 commands=[
-                    'buildkite-agent annotate --style=error "No incompatible flag issue is found on github for current version of Bazel."'
+                    'buildkite-agent annotate --style=error "No incompatible flag issue is found on github for current version of Bazel." --context "noinc"'
                 ],
                 platform=DEFAULT_PLATFORM,
             )