KafkaSinkSingle SASL authentication tests

[conorbros]

No description provided.

[github-actions]

0 benchmark regressed. 2 benchmark improved. Please check the benchmark workflow logs for full details: https://github.com/shotover/shotover-proxy/actions/runs/7997379924

Found 2 outliers among 100 measurements (2.00%)
  1 (1.00%) low mild
  1 (1.00%) high mild
cassandra_codec/decode_system.local_query_v5_no_compression
                        time:   [5.6398 µs 5.6632 µs 5.6922 µs]
                        change: [-24.685% -23.902% -23.095%] (p = 0.00 < 0.05)
                        Performance has improved.
--
                        Change within noise threshold.
Found 4 outliers among 100 measurements (4.00%)
  4 (4.00%) high mild
cassandra_codec/decode_system.local_query_v5_lz4_compression
                        time:   [5.6294 µs 5.6424 µs 5.6565 µs]
                        change: [-23.380% -22.474% -21.476%] (p = 0.00 < 0.05)
                        Performance has improved.

[rukai]

nice!

[github-actions]

2 benchmark regressed. 0 benchmark improved. Please check the benchmark workflow logs for full details: https://github.com/shotover/shotover-proxy/actions/runs/8003374982

                        Change within noise threshold.
Found 9 outliers among 100 measurements (9.00%)
  5 (5.00%) high mild
  4 (4.00%) high severe
transform/nullsink      time:   [945.21 ns 952.88 ns 959.71 ns]
                        change: [+26.893% +28.201% +29.722%] (p = 0.00 < 0.05)
                        Performance has regressed.
Found 2 outliers among 100 measurements (2.00%)
  2 (2.00%) low mild
transform/redis_filter  time:   [2.5402 µs 2.5741 µs 2.6060 µs]
                        change: [+28.622% +33.527% +40.939%] (p = 0.00 < 0.05)
                        Performance has regressed.