fix: avoid warnings about untested "System.Threading.Channels" version #2262

All 52 217 tests pass, 2 974 skipped in 22m 35s

46 files ±0 46 suites ±0 22m 35s ⏱️ -7s
55 191 tests - 3 52 217 ✅ - 3 2 974 💤 ±0 0 ❌ ±0
114 815 runs ±0 102 514 ✅ ±0 12 301 💤 ±0 0 ❌ ±0

Results for commit 3b2a0a0. ± Comparison against earlier commit 50d71b5.