Merge bitcoin/bitcoin#22082: test: update nanobench from release 4.0.0 to 4.3.4

44d05d0 test: remove sanitizer suppression for nanobench (Martin Ankerl)
e3c866e test: update nanobench from release 4.0.0 to 4.3.4 (Martin Ankerl)

Pull request description:

  This updates the third-party library nanobench with the latest release. It contains mostly minor bugfixes, a new pyperf output format, ability to suppress warnings with environment variable `NANOBENCH_SUPPRESS_WARNINGS`. Full changelog:

  v4.0.2
  * Changed `doNotOptimizeAway` to what google benchmark is doing. The old code did not work on some machines.
  * fix: display correct "total" value
  * minor Documentation updates

  v4.1.0
  * Updated link to new pyperf home
  * Adds ability to configure console output time unit
  *  Add support for environment variable `NANOBENCH_SUPPRESS_WARNINGS`
  * Nanobench is now usable with CMake's FetchContent (see documentation: https://nanobench.ankerl.com/tutorial.html#cmake-integration)

  v4.2.0
  * Ability to store and later compare results added, through `pyperf`.
  * See https://nanobench.ankerl.com/tutorial.html#pyperf-python-pyperf-module-output
  * Added lots of build targets to travis, similar to bitcoin's build.
  * Some minor API & documentation improvements

  v4.3.0
  * `ankerl::nanobench::Rng` can now return the state with `std::vector<uint64_t> Rng::state()`, and this can also be used to initialize the Rng.

  v4.3.1
  * Minor cmake improvements when integrationg as a third-party library: add alias `nanobench::nanobench`, default to C++17

  v4.3.2
  * Fixed a MSVC 2015 build problem
  * updates license to 2021.
  * build should now work with very old linux headers
  * Also disable UBSAN (bitcoin needed to add a suppression)

  v4.3.3
  * Do not use locale-dependent `std::to_string`

  v4.3.4
  * Add missing sanitizer suppression to `rotl`

ACKs for top commit:
  MarcoFalke:
    review ACK 44d05d0

Tree-SHA512: 3291c85057720cfc84a44bfaa305a7d0df4dc35779169d20de73d32e40d4cdbf3f005bf343f79710eca517441de2459e8118c195c5f5136f99d1f50ebd5dfd08

Author: MarcoFalke