Bump rpds-py from 0.21.0 to 2026.9.1

Bumps [rpds-py](https://github.com/crate-py/rpds) from 0.21.0 to 2026.9.1.
- [Release notes](https://github.com/crate-py/rpds/releases)
- [Changelog](https://github.com/crate-py/rpds/blob/main/release.toml)
- [Commits](crate-py/rpds@v0.21.0...v2026.9.1)

---
updated-dependencies:
- dependency-name: rpds-py
  dependency-version: 2026.9.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements.txt

@@ -27,7 +27,7 @@ python-dotenv==1.0.1
 PyYAML==6.0.2
 referencing==0.35.1
 requests==2.32.3
-rpds-py==0.21.0
+rpds-py==2026.9.1
 smmap==5.0.1
 snowballstemmer==2.2.0
 Sphinx==8.1.3