feat: enable configuring rust global alloc as croaring allocator #410

feat: enable configuring rust global alloc as croaring allocator

Usage Workflow file

3 warnings

Updated versions: croaring/tests/roaring64.rs#L75

unused return value of `bitmap64::imp::<impl Bitmap64>::intersect_with_range` that must be used

Test: croaring/benches/benches.rs#L281

constant `MAX` is never used

Test: croaring/tests/roaring64.rs#L75

unused return value of `bitmap64::imp::<impl Bitmap64>::intersect_with_range` that must be used