2.3.0 fails to build with CGAL 6.2 on i386
The Debian package build for 2.3.0 failed to build on i386 with CGAL 6.2:
```
/usr/include/boost/operators.hpp:145:109: error: ambiguous overload for ‘operator<’ (operand types are ‘const CGAL::Gmpzf’ and ‘const double’)
145 | friend BOOST_OPERATORS_CONSTEXPR bool operator>=(const T& x, const U& y) { return !static_cast<bool>(x < y); }
| ~~^~~
[...]
/usr/include/boost/operators.hpp:146:90: error: ambiguous overload for ‘operator<’ (operand types are ‘const CGAL::Gmpzf’ and ‘const double’)
146 | friend BOOST_OPERATORS_CONSTEXPR bool operator>(const U& x, const T& y) { return y < x; }
| ~~^~~
```
[Full buildlog](https://buildd.debian.org/status/fetch.php?pkg=sfcgal&arch=i386&ver=2.3.0-1~exp2&stamp=1781332991&file=log)
issue