chore: bump actions/checkout from 3 to 4 #3134

All 197 tests pass in 8m 56s

  10 files ±0   40 suites ±0 8m 56s ⏱️ -28s
197 tests ±0 197 ✔️ ±0 0 💤 ±0 0 ❌ ±0
208 runs ±0 208 ✔️ ±0 0 💤 ±0 0 ❌ ±0

Results for commit c6cd95c. ± Comparison against earlier commit 75c217c.