fix: warning in generate schema script (#1866)

* fix: warning in generate schema script

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

* docs: add minor update to update process

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

* Update docs/contributing.md

---------

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

bin/generate_schema.py

@@ -56,7 +56,7 @@ properties:
       - type: string
         pattern: '^build; ?args:'
       - type: string
-        pattern: '^build\[uv\]; ?args:'
+        pattern: '^build\\[uv\\]; ?args:'
       - type: object
         additionalProperties: false
         required: [name]

docs/contributing.md

@@ -177,7 +177,7 @@ Then, increment the project version number using:
 bin/bump_version.py
 ```
 
-You'll be prompted to enter the new version number. Update the changelog when prompted. The script will create a 'bump version' commit and version tag.
+(or `nox -s bump_version`) You'll be prompted to enter the new version number. Update the changelog when prompted. The script will create a 'bump version' commit and version tag.
 
 Finally, cut the release and push to GitHub.
 
@@ -186,3 +186,5 @@ git push && git push --tags
 ```
 
 Then head to https://github.com/pypa/cibuildwheel/releases and create a GitHub release from the new tag, pasting in the changelog entry. Once the release is created inside GitHub, a CI job will create the assets and upload them to PyPI.
+
+If there were any schema updates, run `pipx run ./bin/generate_schema.py --schemastore > partial-cibuildwheel.json` and contribute the changes to SchemaStore.