[ci] add bot to lock inactive issues and PRs #7181

Job	Run time
r-package (ubuntu-latest, gcc, R 3.6, cmake)	11m 52s
r-package (ubuntu-latest, gcc, R 4.2, cmake)	14m 22s
r-package (ubuntu-latest, clang, R 3.6, cmake)	16m 15s
r-package (ubuntu-latest, clang, R 4.2, cmake)	12m 59s
r-package (macOS-latest, gcc, R 4.2, cmake)	16m 0s
r-package (macOS-latest, clang, R 4.2, cmake)	17m 54s
r-package (windows-latest, MINGW, R 3.6, cmake)	13m 7s
r-package (windows-latest, MINGW, R 4.2, cmake)	18m 56s
r-package (windows-2019, MSVC, R 3.6, cmake)	17m 51s
r-package (windows-2022, MSVC, R 4.2, cmake)	15m 51s
r-package (windows-latest, MINGW, R 3.6, cran)	20m 58s
r-package (windows-latest, MINGW, R 4.2, cran)	24m 42s
r-package (ubuntu-latest, gcc, R 4.2, cran)	24m 9s
r-package (macOS-latest, clang, R 4.2, cran)	25m 18s
r-rchk (ubuntu-latest, gcc, R 4.2, cran)	16m 32s
r-package (debian, R-devel, clang)	15m 3s
r-sanitizers (ubuntu-latest, R-devel, gcc ASAN/UBSAN)	19m 26s
r-sanitizers (ubuntu-latest, R-devel, clang ASAN/UBSAN)	31m 16s
all-r-package-jobs-successful	2s
	5h 32m 33s

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