pybind11_json_vendor: 0.3.0-1 in 'iron/distribution.yaml' [bloom]

[Yadunund]

Increasing version of package(s) in repository pybind11_json_vendor to 0.3.0-1:

• upstream repository: https://github.com/open-rmf/pybind11_json_vendor
• release repository: https://github.com/ros2-gbp/pybind11_json_vendor-release.git
• distro file: iron/distribution.yaml
• bloom version: 0.11.2
• previous version for package: 0.2.2-3

pybind11_json_vendor

* Switch to rst changelogs
* Update maintainer
* Add initial build workflow (#9 <https://github.com/open-rmf/pybind11_json_vendor/issues/9>)
* Contributors: Esteban Martinena, Yadunund