ci: stop MSAN tests after first failure

MSAN aborts the affected test process, but Bazel otherwise continues running the remaining test targets. Disable test keep-going for the MSAN job so sanitizer findings surface without waiting for the serial test suite to finish.

Signed-off-by: Kateryna Nezdolii <kateryna.nezdolii@gmail.com>

Author: nezdolik

.github/workflows/ci-tests.yaml

@@ -184,6 +184,6 @@ jobs:
             ARCHIVE_IMAGE=quay.io/${{ github.repository_owner }}/cilium-envoy-builder:test-main-archive-latest
             DEBUG=1
             BAZEL_BUILD_OPTS=--config=msan --remote_upload_local_results=false
-            BAZEL_TEST_OPTS=--jobs=HOST_RAM*.00005 --test_timeout=900 --local_test_jobs=1 --flaky_test_attempts=1 --noshow_progress --noshow_loading_progress --test_env=MSAN_SYMBOLIZER_PATH=/usr/lib/llvm-18/bin/llvm-symbolizer
+            BAZEL_TEST_OPTS=--jobs=HOST_RAM*.00005 --test_timeout=900 --local_test_jobs=1 --notest_keep_going --flaky_test_attempts=1 --noshow_progress --noshow_loading_progress --test_env=MSAN_SYMBOLIZER_PATH=/usr/lib/llvm-18/bin/llvm-symbolizer
           cache-from: type=local,src=/tmp/buildx-cache
           push: false