[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

.readthedocs.yml

@@ -13,7 +13,6 @@ build:
       export UV_LINK_MODE=copy
       uv run \
         --group doc \
-        --locked \
         --no-dev \
         --with tox \
         tox -e doc

CONTRIBUTING.md

@@ -12,7 +12,7 @@ git clone https://github.com/ComPWA/PWA-pages
 cd PWA-pages
 ```
 
-Now it's simply a matter of creating and activating the [virtual environment](https://docs.astral.sh/uv/pip/environments) with [`uv sync`](https://docs.astral.sh/uv/reference/cli/#uv-sync). The dependencies for the project are 'pinned' in each commit through the [`uv.lock` file](https://docs.astral.sh/uv/concepts/projects/#project-lockfile).
+Now it's simply a matter of creating and activating the [virtual environment](https://docs.astral.sh/uv/pip/environments) with [`uv sync`](https://docs.astral.sh/uv/reference/cli/#uv-sync). The dependencies for the project are 'pinned' in each commit through the [`uv.lock` file](https://docs.astral.sh/uv/concepts/projects/layout/#the-lockfile).
 
 ```shell
 uv sync --all-extras

src/pwa_pages/project_inventory.py

@@ -6,7 +6,7 @@
 import json
 import re
 from functools import partial
-from typing import TYPE_CHECKING, Optional, Self, Union
+from typing import TYPE_CHECKING, Self, Union
 
 import yaml
 from pydantic import BaseModel, model_validator
@@ -84,9 +84,9 @@ class SubProject(BaseModel):
 class Project(BaseModel):
     name: str
     url: str
-    collaboration: Optional[Union[list[str], str]] = None
+    collaboration: Union[list[str], str] | None = None
     languages: list[str] = []
-    sub_projects: Optional[list[SubProject]] = None
+    sub_projects: list[SubProject] | None = None
     since: int = 0