Merge bitcoin/bitcoin#32353: doc: Fix fuzz test_runner.py path

61f238e doc: Fix fuzz test_runner.py path (monlovesmango)

Pull request description:

  This commit fixes the path listed in the documentation for the fuzz testing test_runner.py. Previously the --help option worked but running fuzz tests from the documented path did not.

ACKs for top commit:
  kevkevinpal:
    ACK [61f238e](bitcoin/bitcoin@61f238e)
  maflcko:
    lgtm ACK 61f238e
  mabu44:
    Tested ACK 61f238e
  hebasto:
    ACK 61f238e.

Tree-SHA512: e8770f38e49a428e0e7f0450db193ec90cc1e66c05bcde307763c065ac7051f3f05923bb3e0eca7a337da9c14cfd17512ff0d01ffa330796159d4f3552103b7f

Author: hebasto

doc/fuzzing.md

@@ -19,7 +19,7 @@ One can use `--preset=libfuzzer-nosan` to do the same without common sanitizers
 See [further](#run-without-sanitizers-for-increased-throughput) for more information.
 
 There is also a runner script to execute all fuzz targets. Refer to
-`./test/fuzz/test_runner.py --help` for more details.
+`./build_fuzz/test/fuzz/test_runner.py --help` for more details.
 
 ## Overview of Bitcoin Core fuzzing