[ci] skip aarch64 linux job #8610

Job	Run time
r-sanitizers (ubuntu-latest, R-devel, gcc ASAN/UBSAN)	15m 12s
r-sanitizers (ubuntu-latest, R-devel, clang ASAN/UBSAN)	29m 5s
r-package (debian, R-devel, clang-16)	16m 24s
r-package (debian, R-devel, clang-17)	17m 2s
r-package (ubuntu-latest, gcc, R 3.6, cmake)	8m 53s
r-package (ubuntu-latest, gcc, R 4.3, cmake)	10m 20s
r-package (ubuntu-latest, clang, R 3.6, cmake)	9m 26s
r-package (ubuntu-latest, clang, R 4.3, cmake)	9m 57s
r-package (macos-13, gcc, R 4.3, cmake)	11m 57s
r-package (macos-13, clang, R 4.3, cmake)	13m 0s
r-package (windows-latest, MINGW, R 3.6, cmake)	12m 35s
r-package (windows-latest, MINGW, R 4.3, cmake)	18m 2s
r-package (windows-2019, MSVC, R 3.6, cmake)	27m 7s
r-package (windows-2022, MSVC, R 4.3, cmake)	31m 52s
r-package (windows-latest, MINGW, R 3.6, cran)	20m 51s
r-package (windows-latest, MINGW, R 4.3, cran)	22m 19s
r-package (ubuntu-latest, gcc, R 4.3, cran)	17m 6s
r-package (macos-13, clang, R 4.3, cran)	19m 19s
all-r-package-jobs-successful	2s
	5h 10m 29s

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