chore(deps): bump brotli from 1.2.0 to 1.2.1

Bumps [brotli](https://github.com/google/brotli) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/google/brotli/releases)
- [Changelog](https://github.com/google/brotli/blob/go/brotli/v1.2.1/CHANGELOG.md)
- [Commits](google/brotli@v1.2.0...go/brotli/v1.2.1)

---
updated-dependencies:
- dependency-name: brotli
  dependency-version: 1.2.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -19,7 +19,7 @@ dependencies = [
     "socketdev==3.6.1",
     "beautifulsoup4==4.15.0",
     "markdown==3.11.1",
-    "brotli==1.2.0; platform_python_implementation == 'CPython'",
+    "brotli==1.2.1; platform_python_implementation == 'CPython'",
     "brotlicffi==1.2.0.2; platform_python_implementation != 'CPython'",
     # requests' CA bundle. A floor rather than an exact pin, so later trust-store
     # fixes still reach installs; 2026.10.19 drops the roots behind the