Update Markdown formatting for Prettier 3.4

Prettier 3.4 removes extra spaces after unordered list line prefixes.

https://prettier.io/blog/2024/11/26/3.4.0#markdown

docs/index.md

@@ -4,10 +4,10 @@ For full documentation visit [mkdocs.org](https://www.mkdocs.org).
 
 ## Commands
 
--   `mkdocs new [dir-name]` - Create a new project.
--   `mkdocs serve` - Start the live-reloading docs server.
--   `mkdocs build` - Build the documentation site.
--   `mkdocs -h` - Print help message and exit.
+- `mkdocs new [dir-name]` - Create a new project.
+- `mkdocs serve` - Start the live-reloading docs server.
+- `mkdocs build` - Build the documentation site.
+- `mkdocs -h` - Print help message and exit.
 
 ## Project layout
 

pyproject.toml

@@ -72,13 +72,13 @@ check = [
   "ruff check",
   "ruff format --check",
   "mypy",
-  "npx -s -y prettier@'^3' . --check",
+  "npx -s -y prettier@'^3.4' . --check",
   "npx -s -y cspell --dot --gitignore *.md **/*.md",
 ]
 format = [
   "ruff check --fix",
   "ruff format",
-  "npx -s -y prettier@'^3' . --write",
+  "npx -s -y prettier@'^3.4' . --write",
 ]
 
 [tool.hatch.envs.production]