Adapt to possible R CMD check badges (#25) #55

Job	Run time
R Package Checks / codecov / test-coverage	10m 36s
R Package Checks / docs-check / docs-check	1m 31s
R Package Checks / check-R-updates / updated-files	0s
R Package Checks / lintr / lint	1m 22s
R Package Checks / r-cmd-check / macOS-latest (release)	1m 22s
R Package Checks / r-cmd-check / windows-latest (release)	2m 59s
R Package Checks / r-cmd-check / windows-latest (3.6)	4m 20s
R Package Checks / r-cmd-check / windows-latest (4.1)	3m 53s
R Package Checks / r-cmd-check / ubuntu-latest (release)	1m 38s
R Package Checks / r-cmd-check / ubuntu-latest (devel)	2m 54s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-1)	1m 37s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-2)	1m 38s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-3)	1m 36s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-4)	1m 27s
R Package Checks / version-check	0s
	36m 53s

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