Bump cbor2 from 5.8.0 to 5.9.0

Bumps [cbor2](https://github.com/agronholm/cbor2) from 5.8.0 to 5.9.0.
- [Release notes](https://github.com/agronholm/cbor2/releases)
- [Commits](agronholm/cbor2@5.8.0...5.9.0)

---
updated-dependencies:
- dependency-name: cbor2
  dependency-version: 5.9.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements-3.13.txt

@@ -10,7 +10,7 @@ buildbot-waterfall-view==4.3.0
 buildbot-worker==4.3.0
 buildbot-wsgi-dashboards==4.3.0
 buildbot-www==4.3.0
-cbor2==5.8.0
+cbor2==5.9.0
 certifi==2026.2.25
 cffi==2.0.0
 charset-normalizer==3.4.6