flecsi: update package requirements #15755

Job	Run time
changes	4s
prechecks / package.py canonicalization	1m 35s
prechecks / verify-checksums	13s
prechecks / validate	29s
prechecks / style	20s
prechecks / audit / package-audits (windows-latest, powershell)	1m 56s
prechecks / audit / package-audits (macos-latest, bash)	1m 59s
prechecks / audit / package-audits (ubuntu-latest, bash)	1m 54s
all-prechecks	3s
all	4s
unit-tests	0s
	8m 37s

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