flake.lock: Update
Flake lock file updates:
• Updated input 'haskellNix':
'github:input-output-hk/haskell.nix/cc939d0' (2026-02-23)
→ 'github:input-output-hk/haskell.nix/53d6547' (2026-04-03)
• Removed input 'haskellNix/cabal-32'
• Updated input 'haskellNix/hackage':
'github:input-output-hk/hackage.nix/06f38c7' (2026-02-23)
→ 'github:input-output-hk/hackage.nix/7c2086d' (2026-04-03)
• Updated input 'haskellNix/hackage-for-stackage':
'github:input-output-hk/hackage.nix/2d5bbb1' (2026-02-23)
→ 'github:input-output-hk/hackage.nix/30d516b' (2026-04-03)
• Updated input 'haskellNix/stackage':
'github:input-output-hk/stackage.nix/862226e' (2026-02-23)
→ 'github:input-output-hk/stackage.nix/789be55' (2026-04-03)
• Updated input 'iohk-nix':
'github:input-output-hk/iohk-nix/a704b93' (2025-11-12)
→ 'github:input-output-hk/iohk-nix/f444d97' (2026-03-23)