main/gc: upgrade to 8.2.0
remove data_start_riscv64.patch, fixed upstream
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.
remove data_start_riscv64.patch, fixed upstream