Test

Make the behavior of `request_parse_body()` and ini settings congruent in option `max_input_vars` #3152

Job	Run time
Generate Matrix	9s
Suite / LINUX_X32_DEBUG_ZTS	11m 37s
Suite / WINDOWS_X64_ZTS	37m 10s
Suite / MACOS_ARM64_DEBUG_NTS	20m 7s
Suite / LINUX_X64_ASAN_DEBUG_ZTS	44m 35s
Suite / LINUX_X64_RELEASE_NTS	24m 48s
Suite / FREEBSD_NTS	12m 2s
Suite / ALPINE_X64_ASAN_DEBUG_ZTS	29m 33s
Suite / BENCHMARKING	12m 42s
Suite / MSAN	0s
Suite / COVERAGE	0s
Suite / LINUX_PPC64_ASAN_DEBUG_ZTS	0s
Suite / COMMUNITY_${{ matrix.type }}	0s
Suite / SOLARIS	0s
Suite / LIBMYSQLCLIENT	0s
Suite / OPCACHE_VARIATION	0s
	3h 12m 43s

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