Add the S3 sink for consumer offsets topic. #820

All 227 tests pass in 10s

227 tests ±0 227 ✔️ ±0 10s ⏱️ -2s
  33 suites ±0     0 💤 ±0
  33 files ±0     0 ❌ ±0

Results for commit 0d35337. ± Comparison against earlier commit faa8d81.