Bump pydantic from 2.1.1 to 2.7.3 (#90)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Kevin Grandjean <[email protected]>

Author: dependabot[bot]