Merge #3537

3537: Update nix environment r=nfrisby a=Jasagredo

Updated:
- Index-state to 23-11-2021
- haskell.nix to c8faecc486239050221d4546779aec9f45f3c404
- HLS to 1.5.1
- stylish-haskell to 0.13.0.0
- hasktags to 0.72.0

Added:
- profiteur
- eventlog2html
- hp2pretty

Co-authored-by: Javier Sagredo <[email protected]>

Author: iohk-bors[bot]