bump development version to v4.6.0.99 #9654

Job	Run time
r-package (ubuntu-latest, gcc, R 4.3, cmake)	8m 54s
r-package (ubuntu-latest, clang, R 4.3, cmake)	8m 54s
r-sanitizers (ubuntu-latest, R-devel, gcc ASAN/UBSAN)	15m 24s
r-sanitizers (ubuntu-latest, R-devel, clang ASAN/UBSAN)	29m 32s
r-package (macos-13, gcc, R 4.3, cmake)	10m 0s
r-package (macos-13, clang, R 4.3, cmake)	11m 21s
r-package (windows-latest, MINGW, R 3.6, cmake)	10m 17s
r-package (windows-latest, MINGW, R 4.3, cmake)	16m 9s
r-package (windows-2019, MSVC, R 3.6, cmake)	23m 18s
r-package (windows-2022, MSVC, R 4.3, cmake)	29m 18s
r-package (windows-latest, MINGW, R 3.6, cran)	13m 13s
r-package (clang16, R-devel)	11m 59s
r-package (windows-latest, MINGW, R 4.3, cran)	11m 32s
r-package (clang17, R-devel)	12m 9s
r-package (ubuntu-latest, gcc, R 4.3, cran)	4m 51s
r-package (clang18, R-devel)	11m 54s
r-package (macos-13, clang, R 4.3, cran)	12m 14s
r-package (clang19, R-devel)	11m 57s
r-package (macos-14, clang, R 4.3, cran)	7m 10s
r-package (gcc14, R-devel)	11m 24s
r-package (intel, R-devel)	11m 56s
r-package (rchk, R-devel)	12m 14s
all-r-package-jobs-successful	2s
	4h 55m 42s

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