Upgraded SIL.BuildTasks used in .proj file. Removed dependency on it from SIL.Windows.Forms #227

All 4 606 tests pass, 231 skipped in 17m 17s

3 files ± 0 3 suites ±0 17m 17s ⏱️ + 3m 47s
4 837 tests + 13 4 606 ✅ + 13 231 💤 ± 0 0 ❌ ±0
14 022 runs +782 13 395 ✅ +729 627 💤 +53 0 ❌ ±0

Results for commit 3aaa08d. ± Comparison against earlier commit a87ccb0.