Log Message:
textproc/hs-djot: update to djot-0.1.2.2

## 0.1.2.2 -- 2024-10-04

* Allow list items with blank lines between divs (#10).

* Fix parsing of indented tables (#8).

## 0.1.2.1 -- 2024-06-24

* Djot writer: include separator line in table when the table has
  non-default alignments but no header (#7).

## 0.1.2 -- 2024-05-10

* Allow `_` in symbols (see jgm/djot#296).

* Add Lift derivations to AST datatypes (#5, Gideon Farrell) [API change].