merge: Convert table::compact_sstables to coroutines
merge: Convert table::compact_sstables to coroutines

Patch series by Mikołaj Sielużycki

  compaction: Fix indentation in table::compact_sstables.
  compaction: Convert table::compact_sstables to coroutines.

scylladb/scylla,scylladb/scylla,scylladb/scylla,scylladb/scylla