Bump tempfile from 3.15.0 to 3.16.0 #5221

Job	Run time
maybe-expedite	4s
test (ubuntu-latest, third_party_0)	20m 45s
test (ubuntu-latest, third_party_1)	34m 16s
test (ubuntu-latest, trycmd)	9m 21s
test (ubuntu-latest, other)	10m 2s
test (macos-latest, third_party_0)	15m 48s
test (macos-latest, third_party_1)	33m 47s
test (macos-latest, trycmd)	8m 56s
test (macos-latest, other)	9m 45s
test (windows-latest, third_party_0)	23m 54s
test (windows-latest, third_party_1)	38m 1s
test (windows-latest, trycmd)	7m 6s
test (windows-latest, other)	8m 8s
test (ubuntu-latest, ci)	21m 11s
all-checks	1s
	4h 1m 5s

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