[ci] [docs] fix link-checks job #8541

Job	Run time
r-sanitizers (ubuntu-latest, R-devel, gcc ASAN/UBSAN)	14m 59s
r-package (debian, R-devel, clang-16)	16m 2s
r-sanitizers (ubuntu-latest, R-devel, clang ASAN/UBSAN)	29m 18s
r-package (debian, R-devel, clang-17)	16m 53s
r-package (ubuntu-latest, gcc, R 3.6, cmake)	9m 0s
r-package (ubuntu-latest, gcc, R 4.3, cmake)	10m 11s
r-package (ubuntu-latest, clang, R 3.6, cmake)	8m 42s
r-package (ubuntu-latest, clang, R 4.3, cmake)	9m 59s
r-package (macos-13, gcc, R 4.3, cmake)	14m 17s
r-package (macos-13, clang, R 4.3, cmake)	11m 0s
r-package (windows-latest, MINGW, R 3.6, cmake)	12m 6s
r-package (windows-latest, MINGW, R 4.3, cmake)	17m 11s
r-package (windows-2019, MSVC, R 3.6, cmake)	25m 2s
r-package (windows-2022, MSVC, R 4.3, cmake)	29m 52s
r-package (windows-latest, MINGW, R 3.6, cran)	19m 40s
r-package (windows-latest, MINGW, R 4.3, cran)	20m 56s
r-package (ubuntu-latest, gcc, R 4.3, cran)	16m 46s
r-package (macos-13, clang, R 4.3, cran)	18m 38s
all-r-package-jobs-successful	1s
	5h 0m 33s

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