Federation e2e test flake

[slonka]

What happened?

https://github.com/kumahq/kuma/actions/runs/10849140701/job/30108397949#step:12:2973

 [FAILED] in [It] - github.com/kumahq/kuma/test/e2e/federation/federation_universal.go:90

is flaky :(

[Icarus9913]

• [FAILED] [183.888 seconds]
Federation with Universal Global on federation [It] should sync data plane proxies to global cp [job-3]
github.com/kumahq/kuma/test/e2e/federation/federation_universal.go:84

  [FAILED] Timed out after 30.000s.
  The function passed to Eventually failed at github.com/kumahq/kuma/test/e2e/federation/federation_universal.go:89 with:
  Expected
      <string>: {
       "total": 0,
       "items": [],
       "next": null
      }
      
  to contain substring
      <string>: demo-client
Error: It 09/13/24 14:27:16.401