More modern way of setting the biggest size_t in PBC #3228

Job	Run time
docker / docker (fedora39)	19m 57s
conda / conda (ubuntu-20.04)	11m 35s
docker / docker (rocky8)	23m 24s
conda / conda (macos-13)	18m 34s
linux / linux (-doc-mpi-)	38m 58s
codecheck / codecheck	44m 2s
conda / conda (macos-14)	7m 16s
linux / linux (-mpi-)	52m 2s
linux / linux (-coverage-mpi-)	1h 0m 51s
mac / macports (macos-13)	15m 47s
linux / linux (-debug-)	31m 41s
mac / macports (+allmodules, macos-13)	20m 54s
mac / macsimple (macos-13)	14m 13s
linux / linux (-debug-mpi-)	41m 14s
mac / macsimple (macos-14)	4m 34s
linux / linux (-intel-)	43m 21s
linux / linux (-pycv-mpi-)	18m 7s
linux / linux (-nvhpc-mpi-)	54m 15s
	8h 40m 45s

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