[v15.x] http: do not loop over prototype in Agent
Fixes: https://github.com/nodejs/node/issues/36364
This is a semver-patch version of https://github.com/nodejs/node/pull/36409
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Fixes: https://github.com/nodejs/node/issues/36364
This is a semver-patch version of https://github.com/nodejs/node/pull/36409