flaky test: test_icmp_probe_eu_relayer seems to be flaky on windows

[divagant-martian]

run failure : https://github.com/n0-computer/iroh/actions/runs/8839402059/job/24272669544?pr=2238

failure sample

--- STDOUT:              iroh-net netcheck::reportgen::tests::test_icmpk_probe_eu_relayer ---

running 1 test
2024-04-25T21:17:39.922749Z DEBUG iroh_net::netcheck::reportgen: 947: Performing DNS A lookup for relay addr proto=IcmpV4 hostname=euw1-1.relay.iroh.network.
2024-04-25T21:17:39.922958Z DEBUG hickory_proto::xfer::dns_handle: 67: querying: euw1-1.relay.iroh.network. A
2024-04-25T21:17:39.923010Z DEBUG hickory_resolver::name_server::name_server_pool: 258: sending request: [Query { name: Name("euw1-1.relay.iroh.network."), query_type: A, query_class: IN }]
2024-04-25T21:17:39.923081Z DEBUG hickory_resolver::name_server::name_server: 105: reconnecting: NameServerConfig { socket_addr: 185.12.64.1:53, protocol: Udp, tls_dns_name: None, trust_negative_responses: false, tls_config: None, bind_addr: None }
2024-04-25T21:17:39.923151Z DEBUG hickory_proto::xfer: 171: enqueueing message:QUERY:[Query { name: Name("euw1-1.relay.iroh.network."), query_type: A, query_class: IN }]
2024-04-25T21:17:39.923178Z DEBUG hickory_resolver::name_server::name_server: 105: reconnecting: NameServerConfig { socket_addr: 185.12.64.2:53, protocol: Udp, tls_dns_name: None, trust_negative_responses: false, tls_config: None, bind_addr: None }
2024-04-25T21:17:39.923194Z DEBUG hickory_proto::xfer: 171: enqueueing message:QUERY:[Query { name: Name("euw1-1.relay.iroh.network."), query_type: A, query_class: IN }]
2024-04-25T21:17:39.923308Z DEBUG hickory_proto::udp::udp_client_stream: 228: final message: ; header 16455:QUERY:RD:NoError:QUERY:0/0/0
; query
;; euw1-1.relay.iroh.network. IN A

2024-04-25T21:17:39.923375Z DEBUG hickory_proto::udp::udp_client_stream: 228: final message: ; header 11281:QUERY:RD:NoError:QUERY:0/0/0
; query
;; euw1-1.relay.iroh.network. IN A

2024-04-25T21:17:39.924339Z DEBUG hickory_proto::udp::udp_stream: 310: created socket successfully
2024-04-25T21:17:39.924433Z DEBUG hickory_proto::udp::udp_stream: 310: created socket successfully
test netcheck::reportgen::tests::test_icmpk_probe_eu_relayer ... FAILED

failures:

failures:
    netcheck::reportgen::tests::test_icmpk_probe_eu_relayer

test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 88 filtered out; finished in 3.39s


--- STDERR:              iroh-net netcheck::reportgen::tests::test_icmpk_probe_eu_relayer ---
thread 'netcheck::reportgen::tests::test_icmpk_probe_eu_relayer' panicked at iroh-net\src\netcheck\reportgen.rs:1327:14:
called `Result::unwrap()` on an `Err` value: "No suitable relay addr found: deadline has elapsed"

[flub]

This looks like DNS on windows problem, not icmp. So I'm going to consider this a duplicate of #2086