Update Mypy to v1.20.1 (#5199)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: poolitzer <github@poolitzer.eu>

renovate[bot] committed 1mo ago

d228b339167f8c5b660717c399ff8bdde730a203

Parent: 170dca0

Committed by GitHub <noreply@github.com> on 4/15/2026, 9:06:25 AM