Merge bitcoin#30961: ci: add LLVM_SYMBOLIZER_PATH to Valgrind fuzz job

c183258 ci: add LLVM_SYMBOLIZER_PATH to Valgrind fuzz job (fanquake)

Pull request description:

  Otherwise:
  ```bash
  NEW_FUNC[1/23]: ==4710==WARNING: invalid path to external symbolizer!
  ==4710==WARNING: Failed to use and restart external symbolizer!
  0xb72010  (/ci_container_base/ci/scratch/build-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0xa6a010) (BuildId: 2087ad415cb752eea259ed750f3b78a7fcb0b43b)
  NEW_FUNC[2/23]: 0xb72240  (/ci_container_base/ci/scratch/build-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0xa6a240) (BuildId: 2087ad415cb752eea259ed750f3b78a7fcb0b43b)

  ```

ACKs for top commit:
  maflcko:
    review ACK c183258

Tree-SHA512: 73d042c7432edac63704912391351770648fe9aef3c6dabe05dfc0b52a84cc1c4a3f1a5f8e36854238abe6097f9e5d571e19060ed040c59f45fe97c432330b3b

ci/test/00_setup_env_native_fuzz_with_valgrind.sh

@@ -21,3 +21,4 @@ export BITCOIN_CONFIG="\
  -DCMAKE_C_COMPILER=clang-16 \
  -DCMAKE_CXX_COMPILER=clang++-16 \
 "
+export LLVM_SYMBOLIZER_PATH="/usr/bin/llvm-symbolizer-16"