chore: bump cosl from 0.0.36 to 0.0.40

Bumps [cosl](https://github.com/canonical/cos-lib) from 0.0.36 to 0.0.40.
- [Release notes](https://github.com/canonical/cos-lib/releases)
- [Commits](canonical/cos-lib@0.0.36...0.0.40)

---
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

@@ -20,7 +20,7 @@ cffi==1.17.0
     # via cryptography
 click==8.1.7
     # via typer
-cosl==0.0.36
+cosl==0.0.40
     # via -r requirements.in
 cryptography==43.0.1
     # via -r requirements.in