perf(ext/http): cache abort signal error (#23548)

Fixes a perf regression introduced in
https://github.com/denoland/deno/commit/eed2598e6cf1db643b4edd07b5eff94c59eb9408
([flamegraph](https://profiler.firefox.com/public/83whz7mrfkshk5q6hd6hjmrmw8tgmw67s96m4p0/flame-graph/?globalTrackOrder=0&hiddenLocalTracksByPid=12691-0we&symbolServer=http%3A%2F%2F127.0.0.1%3A3000%2F316cvciry38ippl9i74fmcxrd5q9asfrr28xp02&thread=0&v=10))

this patch:
```
Summary:
  Success rate: 100.00%
  Total:        10.0007 secs
  Slowest:      0.0145 secs
  Fastest:      0.0001 secs
  Average:      0.0006 secs
  Requests/sec: 80341.4816

  Total data:   9.19 MiB
  Size/request: 12
  Size/sec:     941.44 KiB
```

main:
```
Summary:
  Success rate: 100.00%
  Total:        10.0007 secs
  Slowest:      0.0068 secs
  Fastest:      0.0002 secs
  Average:      0.0009 secs
  Requests/sec: 56560.0551

  Total data:   6.47 MiB
  Size/request: 12
  Size/sec:     662.75 KiB
```

0 files changed, 0 insertions, 0 deletions