Link cells without PBC #2987

Job	Run time
docker / docker (fedora39)	19m 35s
conda / conda (ubuntu-20.04)	11m 26s
docker / docker (rocky8)	22m 14s
conda / conda (macos-12)	23m 16s
conda / conda (macos-14)	9m 6s
codecheck / codecheck	43m 47s
mac / macports (macos-12)	12m 28s
mac / macports (macos-14)	8m 18s
mac / macports (+allmodules, macos-12)	27m 25s
linux / linux (-doc-mpi-)	39m 15s
mac / macsimple (macos-12)	8m 57s
mac / macsimple (macos-14)	5m 5s
linux / linux (-mpi-)	56m 15s
linux / linux (-coverage-mpi-)	59m 56s
linux / linux (-debug-)	30m 11s
linux / linux (-debug-mpi-)	39m 22s
linux / linux (-intel-)	43m 14s
linux / linux (-pycv-mpi-)	17m 3s
	7h 56m 53s

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