Bump db-dtypes from 0.4.0 to 1.0.0
Bump db-dtypes from 0.4.0 to 1.0.0

Bumps [db-dtypes](https://github.com/googleapis/python-db-dtypes-pandas) from 0.4.0 to 1.0.0.
- [Release notes](https://github.com/googleapis/python-db-dtypes-pandas/releases)
- [Changelog](https://github.com/googleapis/python-db-dtypes-pandas/blob/main/CHANGELOG.md)
- [Commits](https://github.com/googleapis/python-db-dtypes-pandas/compare/v0.4.0...v1.0.0)

---
updated-dependencies:
- dependency-name: db-dtypes
  dependency-type: indirect
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
annapowellsmith/openpresc,annapowellsmith/openpresc,ebmdatalab/openprescribing,ebmdatalab/openprescribing,annapowellsmith/openpresc,ebmdatalab/openprescribing,ebmdatalab/openprescribing,annapowellsmith/openpresc