Automatically update flake.lock to the latest version

hackage     5f787e9eea (2025-01-27) -> 19f6fdb048 (2025-04-07)
haskell-nix 8d879c1480 (2025-01-24) -> 83d85a5877 (2025-03-27)
stackage    42381991e5 (2025-01-26) -> 4acf7ac786 (2025-04-07)

Author: serokell-bot