CI job daily failures

[AYAHASSAN287]

Nightly CI began failing on several integration/unit tests starting from 2025-06-21 (workflow jobs 122).
Failures span Store, Relay, and Discv5 paths and appear flaky but reproducible.

Affected tests & errors

• TestStoreQueryWith5Pagination — first failed in CI job 125 (2025-06-24). Error: *** bit out of range 0 - FD_SETSIZE on fd_set ***, causing the process to be killed.
• TestRelayDisabledNodeDoesNotReceiveMessages — first failed in job 124 (2025-06-23). Error: unexpected WakuRelayPublish … NoPeersToPublish on Node 1.
• TestDiscv5PeerMeshIds — first failed in job 124 (2025-06-22). Error: mesh count mismatch (expected 2, got 1) before stopping Node 3.
• TestStoredDuplicateMessage — first failed in job 122 (2025-06-21). Error: duplicate-check fails with NoPeersToPublish from Node 2.
• TestStoreQueryWithoutData — first failed in job 127 (2025-06-25). Error at store_test.go:637: libwaku error: Couldn't send a request to the waku thread: DEBUG.

Impact
CI is red

individual tests reproduction

go test -v -run '^TestStoreQueryWith5Pagination$' ./waku
go test -v -run '^TestRelayDisabledNodeDoesNotReceiveMessages$' ./waku
go test -v -run '^TestDiscv5PeerMeshIds$' ./waku
go test -v -run '^TestStoredDuplicateMessage$' ./waku