increase the timeouts for abc_rpc_avalancheproof
increase the timeouts for abc_rpc_avalancheproof

Summary:
This restores D9347 which was accidentaly reverted in D9351.
> The test is failing on slow machines, especially when using qemu (ARM
> and AArch64).

It also disables the test when run in `--usecli` mode, which this test
does not support.

Test Plan:
```
./test/functional/test_runner.py
./test/functional/test_runner.py  --usecli
```

Reviewers: #bitcoin_abc, Fabien

Reviewed By: #bitcoin_abc, Fabien

Differential Revision: https://reviews.bitcoinabc.org/D9356

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