databento 0.45.0

Official Databento client library
Documentation
# Pull request

Please include a summary of the changes.
Please also include relevant motivation and context.
List any dependencies that are required for this change.

Fixes # (issue)

## Type of change

Please delete options that are not relevant.

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
- [ ] This change requires a documentation update

## How has this change been tested?

Please describe the tests that you ran to verify your changes.
Provide instructions so we can reproduce.
Please also list any relevant details for your test configuration.

- [ ] Test A
- [ ] Test B

## Checklist

- [ ] My code builds locally with no new warnings (`scripts/build.sh`)
- [ ] My code follows the style guidelines (`scripts/lint.sh` and `scripts/format.sh`)
- [ ] New and existing unit tests pass locally with my changes (`scripts/test.sh`)
- [ ] I have made corresponding changes to the documentation
- [ ] I have added tests that prove my fix is effective or that my feature works

## Declaration

I confirm this contribution is made under an Apache 2.0 license and that I have the authority
necessary to make this contribution on behalf of its copyright owner.