Bump propcache from 0.2.0 to 0.2.1

Bumps [propcache](https://github.com/aio-libs/propcache) from 0.2.0 to 0.2.1.
- [Release notes](https://github.com/aio-libs/propcache/releases)
- [Changelog](https://github.com/aio-libs/propcache/blob/master/CHANGES.rst)
- [Commits](aio-libs/propcache@v0.2.0...v0.2.1)

---
updated-dependencies:
- dependency-name: propcache
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -35,7 +35,7 @@ numpy==1.26.4
 openai==1.55.0
 orjson==3.10.12
 packaging==24.2
-propcache==0.2.0
+propcache==0.2.1
 pydantic==2.10.1
 pydantic-settings==2.6.1
 pydantic_core==2.27.1