community/helix: fix build on loongarch64
Update libc to v0.2.155 to support loongarch64.
We are currently working on getting Alpine Linux 3.21 out. This means that merge requests that are not aimed to help with that (only affecting testing, new aports) have a lower priority at the moment. Please be patient, they will be eventually picked up.
Update libc to v0.2.155 to support loongarch64.