cmake H3_HAVE_VLA examples

chdb-io/chdb contrib/h3-cmake/CMakeLists.txt :43 

target_compile_definitions(_h3 PRIVATE H3_HAVE_VLA)

ClickHouse/ClickHouse contrib/h3-cmake/CMakeLists.txt :43 

target_compile_definitions(_h3 PRIVATE H3_HAVE_VLA)

ByConity/ByConity contrib/h3-cmake/CMakeLists.txt :29 

target_compile_definitions(h3 PRIVATE H3_HAVE_VLA)