message: fuzz: Speed up prevector fuzz target
diff: @@ -206,10 +206,14 @@ public:
  FUZZ_TARGET(prevector)
  {
  + // Pick an arbitrary upper bound to limit the runtime and avoid timeouts on
  + // inputs.
  + int limit_max_ops{3000};
  +
  FuzzedDataProvider prov(buffer.data(), buffer.size());
  prevector_tester<8, int> test;
  - while (prov.remaining_bytes()) {
  + while (--limit_max_ops >= 0 && prov.remaining_bytes()) {
  switch (prov.ConsumeIntegralInRange<int>(0, 13 + 3 * (test.size() > 0))) {
  case 0:
  test.insert(prov.ConsumeIntegralInRange<size_t>(0, test.size()), prov.ConsumeIntegral<int>());
  