set release date for 1.2.0 to 02.10.2024 #6314

Job	Run time
clang-format	17s
linux_clang-14_cuda-11.2_debug_analysis	16m 33s
windows_cl-2022_debug_analysis	2h 33m 16s
macos_xcode-14.2_debug_analysis	27m 46s
linux_gcc-12_debug_analysis	20m 45s
macos_xcode-14.2_release	26m 1s
macos_xcode-14.3.1_debug	23m 25s
windows_cl-2022_release	2h 29m 52s
windows_cl-2022_debug	2h 26m 28s
linux_gcc-9_debug	21m 30s
linux_gcc-12_release_c++20	20m 42s
linux_gcc-13_debug	21m 52s
linux_clang-10_release	16m 33s
linux_clang-12_release	16m 25s
linux_clang-13_debug	14m 15s
linux_clang-16_debug_ubsan	17m 35s
linux_clang-16_debug_tsan	15m 55s
	11h 49m 10s

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