Log Message:
(devel/MoarVM) Updated 2021.08 to 2021.009

New in 2021.09

Core:
+ [0b713ada,e5cbede8] Store `key_right_shift` - metadata_hash_bits in the hashtable
+ [5ead9f0d] Respect `--full-cleanup` in `nqp::exit`
+ [7a385a35] Fix possible access to fromspace in NativeCall callbacks

GC:
+ [bb14f423] Fix finalizers of gen2 objects rarely getting run