Bump meshtastic from 2.7.2 to 2.7.3

Bumps [meshtastic](https://github.com/meshtastic/python) from 2.7.2 to 2.7.3.
- [Release notes](https://github.com/meshtastic/python/releases)
- [Commits](meshtastic/python@2.7.2...2.7.3)

---
updated-dependencies:
- dependency-name: meshtastic
  dependency-version: 2.7.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -60,7 +60,7 @@ marshmallow==3.26.1
     # via dataclasses-json
 mdurl==0.1.2
     # via markdown-it-py
-meshtastic==2.7.2
+meshtastic==2.7.3
     # via bridger (pyproject.toml)
 multidict==6.6.4
     # via