Bump blockfrost-python from 0.5.2 to 0.5.3

Bumps [blockfrost-python](https://github.com/blockfrost/blockfrost-python) from 0.5.2 to 0.5.3.
- [Release notes](https://github.com/blockfrost/blockfrost-python/releases)
- [Commits](blockfrost/blockfrost-python@0.5.2...0.5.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]