chore: bump cosl from 0.0.8 to 0.0.9

Bumps [cosl](https://github.com/canonical/cos-lib) from 0.0.8 to 0.0.9.
- [Commits](https://github.com/canonical/cos-lib/commits)

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

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

requirements.txt

@@ -26,7 +26,7 @@ charset-normalizer==3.3.2
     # via requests
 click==8.1.7
     # via typer
-cosl==0.0.8
+cosl==0.0.9
     # via -r requirements.in
 cryptography==42.0.5
     # via