Bump loguru from 0.7.2 to 0.7.3

Bumps [loguru](https://github.com/Delgan/loguru) from 0.7.2 to 0.7.3.
- [Release notes](https://github.com/Delgan/loguru/releases)
- [Changelog](https://github.com/Delgan/loguru/blob/master/CHANGELOG.rst)
- [Commits](Delgan/loguru@0.7.2...0.7.3)

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

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

requirements.txt

@@ -1,3 +1,3 @@
-loguru==0.7.2
+loguru==0.7.3
 python-dotenv==1.0.1
 bilibili-api-python==16.3.0