Updated http3 benchmark

```
**http2load**
finished in 65.00s, 83685.82 req/s, 94.49MB/s
requests: 5021149 total, 5021149 started, 5021149 done, 5021149 succeeded, 0 failed, 0 errored, 0 timeout
status codes: 5021166 2xx, 0 3xx, 0 4xx, 0 5xx
traffic: 5.54GB (5944777841) total, 798.07MB (836837680) headers (space savings 35.31%), 5.19GB (5568962560) data
UDP datagram: 2993583 sent, 6781646 received
min max mean sd +/- sd
time for request: 2.78ms 41.58ms 10.85ms 4.10ms 75.84%
time for connect: 0us 0us 0us 0us 0.00%
time to 1st byte: 0us 0us 0us 0us 0.00%
req/s : 484.90 1073.51 836.85 186.05 71.00%

**dstat**
You did not select any stats, using -cdngy by default.
----total-usage---- -dsk/total- ---net/lo-- -net/total- ---paging-- ---system--
usr sys idl wai stl| read writ| recv send: recv send| in out | int csw
64 7 28 0 0| 40k 1313k| 532B 532B:7632k 97M|0.20 0 |3491k 311k
68 7 24 0 0| 0 506k| 532B 532B:8075k 102M|0.20 0 |3597k 318k
69 7 24 0 0| 0 146k| 552B 552B:8112k 102M|4.60 0 |3698k 323k
69 7 23 0 0| 0 35M| 532B 532B:8193k 104M|1.60 0 |3709k 321k
69 7 23 0 0| 0 0 | 592B 592B:8335k 105M|1.00 0 |3759k 323k
69 7 23 0 0| 0 267k| 532B 532B:8191k 103M|1.00 0 |3700k 322k
69 7 24 0 0| 0 0 | 532B 532B:8245k 104M|0.40 0 |3720k 320k
69 7 24 0 0| 0 1638B| 532B 532B:8128k 101M|0.60 0 |3691k 322k
69 7 24 0 0|2257k 57M| 532B 532B:8177k 103M|11.6 0 |3694k 324k
69 7 24 0 0| 0 17M| 532B 532B:8196k 102M|1.60 0 |3723k 321k
69 7 23 0 0| 0 0 | 592B 592B:8264k 104M|1.40 0 |3746k 321k
69 7 23 0 0| 0 825k| 532B 532B:8211k 103M|1.00 0 |3711k 321k
69 7 23 0 0| 0 826k| 532B 532B:8257k 104M|1.60 0 |3728k 318k
**perf stat**
perf: 'stat-p' is not a perf-command. See 'perf --help'.
**perf report**
# Total Lost Samples: 0
#
# Samples: 1M of event 'cycles:P'
# Event count (approx.): 5437933978065
#
# Overhead Shared Object Symbol IPC [IPC Coverage]
# .......... .................... .................................................. ....................
#
45.77% traffic_server [.] freelist_new(_InkFreeList*) - -
10.75% traffic_server [.] freelist_free(_InkFreeList*, void*) - -
1.54% traffic_server [.] ink_freelist_new(_InkFreeList*) - -
1.03% libc.so.6 [.] __memmove_avx_unaligned_erms - -
1.02% traffic_server [.] IOBufferBlock::clear() - -
0.93% libc.so.6 [.] _int_malloc - -
0.72% libquiche.so [.] ::w - -
0.64% libquiche.so [.] core::fmt::write - -
0.62% traffic_server [.] thread_freeup(FreelistAllocator&, ProxyAllocat - -
0.59% [vdso] [.] __vdso_clock_gettime - -
0.51% traffic_server [.] QPACK::_encode_header(MIMEField const&, unsign - -
0.49% libc.so.6 [.] _int_free - -
0.46% [kernel.kallsyms] [k] __memcpy - -
0.37% libquiche.so [.] quiche::Connection::send_single - -
```