[ upstream commit 038d3ee ]

The newly introduced loadbalancer healthserver script
test that tests the health for services with proxy redirection
sometimes fails with the following error.

```
    scripttest.go:72: (command "* cmp healthserver-proxy.expected healthserver.after" failed, retrying in 500ms...)
        diff healthserver-proxy.expected healthserver.after
        --- healthserver-proxy.expected
        +++ healthserver.after
         Content-Type=application/json
         Date=<omitted>
         X-Content-Type-Options=nosniff
        -X-Load-Balancing-Endpoint-Weight=1
        +X-Load-Balancing-Endpoint-Weight=3
         ---
        -{"service":{"namespace":"test","name":"echo"},"localEndpoints":1}
        +{"service":{"namespace":"test","name":"echo"},"localEndpoints":3}
```

See https://github.com/cilium/cilium/actions/runs/21952595101/job/63407305531

Also reproduced locally when executing the test in a loop.

It seems that asynchronous (k8s) event processing can lead
to situations where the proxy redirection port (set with
`svc/set-proxy-redirect` test helper) is reset.
Even the retry to fetch and compare will always see the same
outdated data.

Therefore it seems to be safer to include the call to
`svc/set-proxy-redirect test/echo 1000` into the same
hive script test section so that it gets retried too
in case of a failure (`* `) prefix.

See https://docs.cilium.io/en/stable/contributing/development/hive/#command-reference
for more info.

Signed-off-by: Marco Hofstetter <marco.hofstetter@isovalent.com>
Signed-off-by: Yutaro Hayakawa <yutaro.hayakawa@isovalent.com>