Bump attrs from 22.1.0 to 25.4.0 in /jwtproxy

Bumps [attrs](https://github.com/sponsors/hynek) from 22.1.0 to 25.4.0.
- [Commits](https://github.com/sponsors/hynek/commits)

---
updated-dependencies:
- dependency-name: attrs
  dependency-version: 25.4.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

jwtproxy/requirements.txt

@@ -1,7 +1,7 @@
 aiohttp==3.13.3
 aiosignal==1.4.0
 async-timeout==4.0.2
-attrs==22.1.0
+attrs==25.4.0
 cffi>=2.0.0
 charset-normalizer==2.1.1
 cryptography==46.0.5