alternate_protocols_cache filter_integration_test flaky

[botengyao]

https://github.com/envoyproxy/envoy/actions/runs/14523910058/job/40751064866#logs

FAIL: //test/extensions/filters/http/alternate_protocols_cache:filter_integration_test (shard 1 of 2) (see /build/bazel_root/base/execroot/envoy/bazel-out/aarch64-opt/testlogs/test/extensions/filters/http/alternate_protocols_cache/filter_integration_test/shard_1_of_2/test.log)

[github-actions]

This issue has been automatically marked as stale because it has not had activity in the last 30 days. It will be closed in the next 7 days unless it is tagged "help wanted" or "no stalebot" or other activity occurs. Thank you for your contributions.

[github-actions]

This issue has been automatically closed because it has not had activity in the last 37 days. If this issue is still valid, please ping a maintainer and ask them to label it as "help wanted" or "no stalebot". Thank you for your contributions.