What's Changed
* fix: fillvalue for depth was nan by renaudjester in https://github.com/mercator-ocean/copernicus-marine-toolbox/pull/75
* fix: change astype int to use datetime by renaudjester in https://github.com/mercator-ocean/copernicus-marine-toolbox/pull/77
* Copernicus Marine Release 1.2.3 by nitreb in https://github.com/mercator-ocean/copernicus-marine-toolbox/pull/78
**Full Changelog**: https://github.com/mercator-ocean/copernicus-marine-toolbox/compare/v1.2.2...v1.2.3