Migrate inflight limit from messages count to payload size in bytes #10

All 391 tests pass in 4s

31 files ±0 31 suites ±0 4s ⏱️ ±0s
391 tests ±0 391 ✅ ±0 0 💤 ±0 0 ❌ ±0
445 runs ±0 445 ✅ ±0 0 💤 ±0 0 ❌ ±0

Results for commit 8c20522. ± Comparison against earlier commit c3acdfe.