deps(python): bump cfn-lint in /dependencies/python (#5668)

Bumps [cfn-lint](https://github.com/aws-cloudformation/cfn-python-lint) from 0.86.4 to 0.87.3.
- [Release notes](https://github.com/aws-cloudformation/cfn-python-lint/releases)
- [Changelog](https://github.com/aws-cloudformation/cfn-lint/blob/v0.87.3/CHANGELOG.md)
- [Commits](aws-cloudformation/cfn-lint@v0.86.4...v0.87.3)

---
updated-dependencies:
- dependency-name: cfn-lint
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

dependencies/python/cfn-lint.txt

@@ -1 +1 @@
-cfn-lint==0.86.4
+cfn-lint==0.87.3