Utilize C99 flexible array members to allow for FORTIFY/ASAN #10548

Job	Run time
build_iwasm (-DWAMR_BUILD_CUSTOM_NAME_SECTION=1)	1m 37s
build_iwasm (-DWAMR_BUILD_REF_TYPES=1)	1m 50s
build_iwasm (-DWAMR_BUILD_LIB_PTHREAD=1)	1m 31s
build_iwasm (-DWAMR_BUILD_AOT=1 -DWAMR_BUILD_INTERP=0)	1m 21s
build_iwasm (-DWAMR_BUILD_LIB_WASI_THREADS=1)	1m 31s
build_llvm_libraries_on_windows / build_llvm_libraries	44s
build_iwasm (-DWAMR_BUILD_DEBUG_INTERP=1)	1m 28s
build_iwasm (-DWAMR_BUILD_AOT=0)	1m 14s
build_iwasm (-DWAMR_BUILD_LIBC_UVWASI=0 -DWAMR_BUILD_LIBC_WASI=1)	1m 31s
build_iwasm (-DWAMR_BUILD_TAIL_CALL=1)	1m 34s
build_iwasm (-DWAMR_DISABLE_HW_BOUND_CHECK=1)	1m 11s
build_wamrc (windows-2022, 0-llvm-libraries-windows-2022-AArch64 ARM Mips RISCV X86-3b5b5c1ec4a30...	2m 17s
test (fast-interp, $MULTI_MODULES_TEST_OPTIONS)	5m 51s
test (fast-interp, $DEFAULT_TEST_OPTIONS)	5m 19s
test (classic-interp, $WASI_TEST_OPTIONS)	1m 48s
test (classic-interp, $DEFAULT_TEST_OPTIONS)	4m 55s
test (classic-interp, $THREADS_TEST_OPTIONS)	4m 3s
test (fast-interp, $WASI_TEST_OPTIONS)	2m 14s
test (classic-interp, $MULTI_MODULES_TEST_OPTIONS)	5m 51s
test (fast-interp, $THREADS_TEST_OPTIONS)	2m 20s
	50m 10s

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