Use Ryū or DragonBox algorithm library to speed up float-to-string conversion

[gengliqi]

Enhancement

Ryū paper: https://dl.acm.org/doi/pdf/10.1145/3296979.3192369
Ryū C++ implementation by author: https://github.com/ulfjack/ryu

BTW, the strconv in Go's standard library has already used Ryū algorithm. (See golang/go#15672).

DragonBox: https://github.com/jk-jeon/dragonbox

TiFlash uses https://github.com/google/double-conversion to convert float to string.
Clickhouse changed double-conversion to Ryu in this PR ClickHouse/ClickHouse#8542.
Then it changed to DragonBox in this PR ClickHouse/ClickHouse#17831.

We need to investigate it further to choose which one will be used.