openpmd-pipe -v|--version

The new `openpmd-pipe` tool needs a `-v|--version` argument control, so one can check which version will be used as a user.

Example:
```console
$ openpmd-ls --version
openpmd-ls (openPMD-api) 0.14.1
Copyright 2017-2021 openPMD contributors
Authors: Axel Huebl et al.
License: LGPLv3+
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

$ openpmd-pipe --version
usage: openpmd-pipe [-h] [--infile INFILE] [--outfile OUTFILE] [--inconfig INCONFIG]
[--outconfig OUTCONFIG]
openpmd-pipe: error: unrecognized arguments: --version
```