Bump com.puppycrawl.tools:checkstyle from 10.12.3 to 10.12.4 #1593

All 10 400 043 tests pass in 4h 49m 34s

10 400 043 tests 10 400 043 ✔️ 4h 49m 34s ⏱️
        1 050 suites               0 💤
        1 050 files               0 ❌

Results for commit 7a0f318.