bump to devel #1747

Job	Run time
R-CMD-check / macOS-latest (release)	4m 8s
R-CMD-check / windows-latest (devel)	9m 40s
R-CMD-check / windows-latest (release)	8m 9s
R-CMD-check / windows-latest (oldrel)	5m 4s
R-CMD-check / windows-latest (4.1)	4m 22s
R-CMD-check / ubuntu-latest (devel)	8m 42s
R-CMD-check / ubuntu-latest (release)	6m 20s
R-CMD-check / ubuntu-latest (4.3)	4m 23s
R-CMD-check / ubuntu-latest (4.2)	5m 44s
R-CMD-check / ubuntu-latest (4.1)	5m 6s
R-CMD-check / ubuntu-latest (4.0)	1m 33s
R-CMD-check / ubuntu-latest (3.6)	1m 43s
	1h 4m 54s

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