Update bufr recipe (now matches upstream Spack) #1501

Job	Run time
clingo-cffi	17m 59s
shell	8m 42s
macos (macos-13, 3.11)	49m 5s
macos (macos-14, 3.11)	40m 3s
rhel8-platform-python	23m 52s
ubuntu (ubuntu-latest, 3.10, clingo, false)	27m 56s
ubuntu (ubuntu-latest, 3.12, clingo, false)	15m 59s
ubuntu (3.10, ubuntu-latest, original, false)	16m 31s
ubuntu (3.6, ubuntu-20.04, clingo, false)	17m 0s
	3h 37m 7s

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